579:, which had asked to be allowed to investigate the planned acquisition, arguing that as the British competition regulator, it – and not the Commission – should have the right to rule on the transaction, which it argued 'threatens to affect significantly competition in the UK retail mobile and wholesale mobile markets', claiming that its investigation of the takeover would 'avoid duplication and fragmentation'. On 11 May 2016, the European Commission officially blocked the tie-up of O2 and Three, arguing that the merger would reduce consumer choice and lead to a higher cost of services.
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reception to at least 98 per cent of the UK population (expected to cover at least 99 per cent when outdoors) and at least 95 per cent of the population of each of the UK nations – England, Northern
Ireland, Scotland and Wales – by the end of 2017 at the latest. The 4G LTE service became available to customers in London, Leeds and Bradford on 29 August 2013, and expanded to a further ten cities by the end of the year.
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merger of Virgin Media and O2's parent companies, older variations of the slogans returned, now being shared with Virgin Media. The 2008 slogan "We’re better, connected" returned in
November 2021, and March 2023 saw the return of O2's original slogan "See what you can do". All of O2's marketing campaigns to date have been created by London advertising agency VCCP.
47:
363:(GPRS) service. The company, together with BT Group's mobile telecommunications businesses in Germany, Ireland and the Netherlands, was part of the BT Wireless division. This was spun off from the BT Group in 2002 to form a new holding company, mmO2 plc, which introduced the new "O2" brand for the businesses. In 2005, mmO2 plc was renamed O2 plc.
488:, a Spanish telecommunications company, for £17.7 billion (£2 per share) in cash. It went through finally in 2006. According to the merger announcement, O2 retained its name and continued to be based in the United Kingdom, keeping both the brand and the management team. The merger became unconditional on 23 January 2006.
437:(TACS). The system was so unready that the initials that Motorola used to designate the network exchanges, EMX, became popularly known as 'European Motorola Experiment' and the exchanges had to be programmed in machine code loaded by tape. In the early days of the system, mobile calls cost £1 per minute.
571:
network (which operates in the UK) entered talks to buy O2 for up to £10.25bn ($ 15.4bn). However, the move faced scrutiny from competition regulators as it would reduce the number of major operators in the UK, when combined with a potential purchase of EE by BT, from four to three. Hutchison
Whampoa
444:
publicly announced on 27 July 1999 that BT had agreed to buy
Securicor's 40 per cent share of Cellnet for £3.15 billion. Cellnet had five million customers at the time of its acquisition. The company was rebranded as BT Cellnet in 2000, and it became a part of BT Wireless, a group of companies owned
1421:
In
October 2017, an inquiry was launched in the UK concerning overcharging customers for handset sales integrated with the data and call charges. Responding to questions, O2's CEO indicated that the company's billing allows for separation of handset charges and telephony/data charges. He added that
366:
O₂ plc was purchased by the
Spanish telecommunications company Telefónica in 2006 for £18 billion. Under the terms of the acquisition, Telefónica agreed to retain the "O₂" brand and the company's UK headquarters. O2 plc was renamed Telefónica O₂ Europe in 2007 and then Telefónica Europe plc in
1178:
design agency, which developed the idea of the company supplying services that were essential, much the same as oxygen is essential for life. The company logo and associated graphics were designed using air bubbles to present this concept. The bubbles were photographed by London-based photographer
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agreed on 1 March 2013 to buy the fixed telephone line and broadband business of
Telefonica UK, trading under the O2 and Be brands. The company agreed to pay £180 million initially, followed by a further £20 million after all customers had been transferred to Sky's existing business. The sale was
1190:
O2 adopted the slogan "See what you can do" in 2002 after the company's demerger from BT. In April 2008, the slogan changed to "We’re better, connected". In July 2013 the slogan changed to "Be more dog", followed by "More for you" in June 2016 and "Breathe it all in" in
September 2018. After the
685:
On 20 February 2013, Ofcom announced that O2 had been awarded spectrum in the 800 MHz band for 4G LTE coverage, bidding around £550 million for the spectrum. This spectrum came with a coverage obligation from Ofcom, and O2 is obliged to provide a mobile broadband service for indoor
628:. To apologise for this, O2 announced that it would be giving hundreds of thousands of its customers compensation for the issue. Pay monthly customers received a 10 per cent discount on their bill whereas Pay As You Go users received a 10 per cent refund on their first top up in September.
504:
business in
Germany were brought under the control of O2, which retained its UK-registered public company status with its own board of directors and corporate structures and processes. Telefónica chose to keep its existing mobile phone operations in the rest of the world under the brand
631:
On 6 December 2018, a major disruption to the O2 network, caused by faulty software, left up to 32 million users (including those on MVNOs) without access to data services (on both 3G and 4G) for up to 24 hours. During the outage, some voice and text services suffered from congestion.
468:
The rebranding was supported by a
European advertising campaign, which began on 16 April 2002, across all four countries, at a cost of £130 million. The main launch campaign ran from 18 June and was developed by Vallance Carruthers Coleman Priest, working alongside brand consultancy
406:'s Mobile Division and the Chairman of Cellnet. It was during this period that Carrington launched Cellnet's first cellular service, following innovative development work by BT Spectrum, who built a chain of cells between London Heathrow and BT Tower in January 1985.
491:
Following the acquisition of O2, Telefónica undertook a corporate organisational change that saw the merging of its fixed and mobile businesses in Spain, and the transfer of Telefónica's non-Spanish European telecommunications properties into the O2 brand. Thus, the
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In January 2012, the company announced plans to provide free internet to millions of residents and visitors in central London, by launching Europe's largest free Wi-Fi zone, along with free Wi-Fi access for anyone on any network in and around every O2 retail store.
359:. Cellnet was one of the first two mobile networks in the UK, alongside Vodafone. In 1999, BT acquired Securicor's share of Cellnet and the company was later rebranded as BT Cellnet. In June 2000, BT Cellnet launched the world's first commercial
409:
Cellnet was established in 1985 as a joint subsidiary of BTCR, British Telecom Cellular Radio, providing the engineering knowledge, and TSCR, Telecom Securicor Cellular Radio Limited, providing the financial investment, resulting in a 60:40
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music venues. The partnership allows O2 to offer customers priority access to all events at O2 Academy venues as well as Live Nation promoted events across the United Kingdom. The partnership was renewed in 2017 for a further ten years.
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604:, subject to approval, into a 50/50 joint venture. Subject to approval, the merger was slated for the middle of 2021. The merger was completed on 1 June 2021 with the newly merged company positioning itself as competition with BT.
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climate change campaign, which required participants to cut their carbon emissions by 10 per cent by the end of 2010, and has since broadened its approach to include a range of projects focused on carbon reduction and
448:
BT announced on 3 September 2001 that the BT Wireless business would be spun off from the main group as a newly listed holding company, mmO2 plc, operating under the "O2" brand. Shareholders approved the plan at an
572:
had previously acquired the O2 network from Telefónica in the Republic of Ireland, which it has since merged into Three. The combined network would have surpassed EE to create the largest mobile network in the UK.
1418:. O2 denied this was true telling the BBC: "We have not suffered a data breach. Credential stuffing is a challenge for businesses and can result in many company's customer data being sold on the dark net".
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failure led to a 24-hour blackout of the service across the UK and Ireland. The problem, which prevented a third of its customers' phones registering on the network, also affected customers of
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The deal was subject to regulatory approval. The European Commission decided in December 2015 not to refer Hutchison's takeover of Telefónica's O2 business in the UK to the country's
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in the UK, for £50 million in June 2006. O2 retained the Be brand, and launched a separate O2-branded broadband service on 15 October 2007, using the Be network.
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1215:. The initial deal was signed in 1995, as Cellnet, and then renewed in 2000 as BT Cellnet. In 2005, Telefónica O2 extended their involvement in
552:
On 24 November 2014, it was reported that BT were in talks to buy back O2, while at the same time BT confirmed that it was also in talks to buy
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users, and stated more devices would be eligible at a later date. The facility was later extended to other makes and models of mobile phone.
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In September 2016, Telefónica appointed a number of investment banks to sell the business to investors, ahead of a stock market flotation.
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signed a deal in June 2012 which will see the two companies 'pool' their network technology, creating a single national grid of 18,500
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season. In 2005, a three-year deal was signed that saw Telefónica O2 become the team's exclusive mobile communications partner.
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In July 2016 Cyber Security company Insinia raised fears that customer data from an O2 cyber breach was being sold on the
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509:. This name is used in Spain and in most of the Latin American countries, operated by a separate management team.
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On 23 February 2011, O2 announced it would launch a "second phase" for O2 Money, by discontinuing its branded
1113:, for the deployment of the necessary electronic point of sale units, and with handset manufacturers, such as
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on 23 October 2001. BT Cellnet relaunched as "O2" on 18 June 2002, along with other former BT subsidiaries:
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1312:, the developers of the site, O2 announced that it had renewed its naming rights for a further ten years.
27:
This article is about the British mobile network operator. For the related brand owned by Telefónica, see
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tonnes of carbon over the previous three years through its energy efficiency measures, including a £1.4
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Alongside mobile telephone services, the company also provided fixed line services and home broadband.
1227:. Their latest renewal of the sponsorship was in 2016, which ran for five years until September 2021.
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In February 2009, O2 became the first mobile telecommunications provider to be certified with the
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It was announced on 9 January 2014 that the O2 wallet service would close on 31 March 2014.
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2797:"Jonathan Knowles Photography - advertising photographer - still life liquid drinks people"
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1105:(NFC) payment system in 2007. In 2009, O2 was in discussions with large retailers, such as
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Hoffman, John (2003). "Chapter 3: Short Message Service and GSM Circuit-Switched Data".
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devices. The application would use NFC technology embedded in a phone to access money.
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O2 announced in June 2011 a fibre optic broadband service designed to compete with the
596:
On 7 May 2020, it was announced that Telefónica had agreed to merge Telefonica UK with
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was the site of the artistic gymnastics events and medal rounds in basketball for the
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In March 2005, mmO2 restructured its shares and the company was relisted as O2 plc.
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subject to regulatory approval in April 2013, and was subsequently approved by the
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network on 22 June 2000, although GPRS-enabled devices were uncommon at that time.
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sites. Both networks will continue to carry their own independent mobile spectrum.
525:, which was the first step in the process of incorporating financial services into
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1444:"Telefonica UK Limited – Overview (Free company information from Companies House)"
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O2 publicly announced on 15 December 2009 that it had successfully demonstrated a
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2993:"O2, Live Nation and Academy Music Group renew alliance for O2 Academy venues"
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1426:, O2's biggest competitors and the UK's top three mobile-telecoms companies.
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2690:"Completed acquisition by British Sky Broadcasting Limited of Be Unlimited"
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2008, and became the holding company for Telefónica's operations in the UK.
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In July 2012, O2 had to apologise to almost 8 million customers after a
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Competition – press release: CMA requests UK review of O2/Three merger
1748:"Cellnet and One2One Founder Adds Voice to Speech Recognition Company"
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has been transformed and rebranded by O2 into an entertainment venue.
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European Conference of Postal and Telecommunications Administrations
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1422:"if we can do it, they can do it too" in reference to Vodafone and
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Additionally, Telefónica O2 had a long-standing relationship with
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1779:"Secret deal charge dogs sale of Securicor's Cellnet stake to BT"
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386:. On 1 June 2021, O2 and Virgin Media formally merged to create
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2224:"Newly merged Virgin Media O2 'ready to fire' at incumbent BT"
1912:"Telefónica launches O2 Money, says it is ready to deploy NFC"
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The company was formed on 7 January 1985 as Cellnet, a 60:40
2190:"Virgin Media and O2 owners confirm £31bn mega-merger in UK"
1859:"O2 readies for £130m May Day rebranding push across Europe"
5432:
4643:
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2664:"BSkyB buys O2 and BE broadband businesses from Telefonica"
2382:"Slough accepts the call to be 4G mobile phone trailblazer"
785:
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1547:
BT Cellnet – Our Commitment to Society and the Environment
1308:
In February 2017, in a continuation of its agreement with
390:
as a joint venture between Telefónica and Liberty Global.
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4260:
3233:
2049:"Telefonica finalises £10bn sale of O2 mobile phone firm"
1223:, as well as O2 rugbyclass and Premier Rugby Ltd for the
1219:, signing a new deal with the England rugby team and the
737:
533:(NFC) technology in mobile phones in the United Kingdom.
1935:"Vodafone and O2 to merge mobile network infrastructure"
1271:
in 2003. In total O2 sponsored five series of the show.
556:. BT subsequently entered into exclusive talks with EE.
2942:"O2 on how it has turned its customers into rugby fans"
2518:"O2 4G mobile network launch date announced for the UK"
1960:"BT and Telefonica in 'preliminary' talks over O2 deal"
1458:"Telefónica 2017 Integrated Annual Report, Key Figures"
1170:– as were all the group's other businesses (other than
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Companies formerly listed on the London Stock Exchange
2029:
Hutchison to buy Telefonica UK unit for $ 15.4 billion
2616:"O2 enters U.K. broadband market with purchase of Be"
433:(AMPS) and had to be adapted for the British system,
46:
3105:
3020:"O2 first mobile firm to gain Carbon Trust Standard"
2250:"O2 apologises over 'embarrassing' network problems"
271:
2892:"O2 unveils its new brand campaign: 'More for you'"
2439:"'Europe's biggest' free Wi-Fi zone set for London"
2277:"O2 says mobile network fully restored after fault"
5828:Telecommunications companies of the United Kingdom
5506:Internet Telephony Services Providers' Association
2491:"Ofcom announces winners of the 4G mobile auction"
2465:"Ofcom announces winners of the 4G mobile auction"
2380:
2130:
1198:O2 brand launch event, River Thames, 30 April 2002
1121:, to enable NFC technology on all future devices.
378:In May 2020, Telefónica reached an agreement with
4760:Telecommunications industry in the United Kingdom
2915:"BT Cellnet signs England team in £5m rugby deal"
2077:, UK government official website, 4 December 2015
1234:, being their shirt sponsor until the end of the
334:, with 23.8 million subscribers as of July 2024.
5838:Telecommunications companies established in 1983
5794:
2823:"O2 pushes brand and products in TV ad campaign"
2092:, UK government official website, 2 October 2015
1259:in 2003. They also sponsored the spin-off shows
500:operations in the Czech Republic as well as the
484:On 30 November 2005, O2 agreed to a takeover by
4424:
2163:"Virgin Media and O2 join forces to take on BT"
1390:units from some of its cell sites and reducing
1378:. In addition to distributing energy efficient
1354:in recognition of its commitment to reduce its
1128:in favour of a "mobile wallet" application for
398:Between 1985 and 1989, John Carrington was the
5668:British Approvals Board for Telecommunications
2303:"O2 offers compensation after network failure"
2097:
1358:. O2 attained the standard after saving 47,000
4744:
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3133:
2870:"Campaign of the Year 2013: O2 'be more dog'"
1772:
1770:
1654:"Telefonica Europe plc: Financial Statements"
1315:
5843:Mobile phone companies of the United Kingdom
4776:Science and technology in the United Kingdom
2132:"O2 fires up blockbuster London float plans"
2043:
2041:
1722:"O2 | Terms and Conditions | Privacy Policy"
1520:"Everything Everywhere disappoints analysts"
674:, achieved a peak downlink rate of 150
2129:Williams, Christopher (24 September 2016).
1886:"Telefónica bids £18 billion for U.K.'s O2"
1053:
689:On 27 March 2017, following the release of
585:
5240:London & Provincial District Telegraph
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2012:"Li Ka-shing in talks to buy O2 for £10bn"
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1491:"2024 Quarterly Results – Virgin Media O2"
279:
5813:British subsidiaries of foreign companies
5460:Defence Science and Technology Laboratory
4352:British Telecommunications plc v. Prodigy
4347:Young Scientist and Technology Exhibition
4221:Digital Private Network Signalling System
3048:"10:10 climate campaign gathers momentum"
2493:. Ofcom. 20 February 2013. Archived from
2467:. Ofcom. 20 February 2013. Archived from
2038:
1291:in London. Since its launch in 2007 the
479:
440:After months of rumours and speculation,
93:Telecom Securicor Cellular Radio Limited
5635:South Georgia and South Sandwich Islands
3046:Carrington, Damian (27 September 2009).
2247:
2128:
1932:
1856:
1776:
1325:
1278:
1193:
670:. The technology, which was supplied by
639:
369:
5713:Interception of Communications Act 1985
2848:"Probably the best corporate slogan..."
2718:
2349:
2325:"O2 data network restored after outage"
1345:
473:, creators of the "O2" brand identity.
14:
5795:
5501:Internet Service Providers Association
3017:
2965:
2719:Prodhan, Georgina (2 September 2008).
2588:
2515:
2221:
2187:
2075:Competition and Markets Authority case
1745:
1697:"Virgin Media and O2 Partnership News"
1517:
1174:). The rebranding was overseen by the
713:Frequencies used on the O2 UK network
651:BT Cellnet launched the world's first
529:. Future plans included manufacturing
5470:International Telecommunication Union
4732:
4398:
4236:International Packet Switched Service
3464:
3121:
2777:(Press release). O2. 1 September 2011
2378:
1397:O2 is a voluntary participant in the
666:technology installed in six masts in
5774:
5195:British and Irish Magnetic Telegraph
5190:Bonelli's Electric Telegraph Company
4377:
3445:
2968:"O2 to sponsor Academy music venues"
2411:
2393:from the original on 12 January 2022
2143:from the original on 12 January 2022
1777:McIntosh, Bill (11 September 1999).
1569:
1567:
1518:Parker, Andrew (28 September 2010).
1048:
1028:
308:telecommunications services provider
5673:British Telecommunications Act 1981
3147:
3075:"O2 customer data sold on dark net"
2939:
2912:
2696:. National Archives. Archived from
1986:"BT in talks to buy EE for £12.5bn"
1600:Richardson, Tim (31 October 2005).
1575:"MMO2 offers small investor buyout"
1179:Jonathan Knowles. In 2002, O2 used
425:The equipment used was primarily a
314:, England which operates under the
34:British telecommunications provider
24:
4216:Digital Access Signalling System 1
4170:Digital Access Signalling System 2
3910:National Network Management Centre
3018:Murray, James (20 February 2009).
2721:"O2 finds mobile payments popular"
2105:"EU blocks Three's takeover of O2"
1857:Billings, Claire (24 April 2002).
1255:(as BT Cellnet) in 2001 until its
25:
5864:
4226:Fixed-Mobile Convergence Alliance
3920:Zouches Farm transmitting station
3915:Peterborough transmitting station
3410:
3097:
1672:"Virgin Media and O2 Partnership"
1564:
1333:Since 2008, O2 is partnered with
1090:
577:Competition and Markets Authority
429:system designed for the American
374:BT Cellnet logo from 1999 to 2002
5773:
5761:
5760:
5743:UK telephone code misconceptions
4376:
4365:
4364:
3690:
3444:
3435:
3434:
3207:
2966:Sweney, Mark (6 November 2008).
2872:. CampaignLive. 18 December 2013
1933:Laughlin, Andrew (7 June 2012).
1496:. Virgin Media O2. 26 July 2024.
1274:
1241:O2 were the main sponsor of the
1076:product, using FTTC technology.
547:
517:On 15 July 2009, O2 entered the
322:, a 50:50 joint venture between
219:
218:
45:
3633:Concert Communications Services
3067:
3039:
3011:
2985:
2959:
2940:Gee, Rachel (25 October 2016).
2933:
2906:
2884:
2862:
2840:
2815:
2789:
2775:"Introducing the Mobile Wallet"
2767:
2745:
2712:
2682:
2656:
2630:
2608:
2591:"Cellular Tower and Signal Map"
2582:
2565:"UK mobile spectrum allocation"
2557:
2532:
2509:
2483:
2457:
2431:
2412:Wood, Nick (15 December 2009).
2405:
2379:Neate, Rupert (15 April 2010).
2372:
2343:
2317:
2295:
2269:
2248:Halliday, Josh (12 July 2012).
2241:
2215:
2181:
2155:
2122:
2082:
2067:
2022:
2004:
1978:
1952:
1926:
1904:
1878:
1850:
1824:
1798:
1739:
1714:
1689:
1664:
1646:
1621:
1202:
393:
332:largest mobile network operator
5848:1983 establishments in England
5580:British Indian Ocean Territory
5205:Cable & Wireless Worldwide
3648:International Network Services
2094:. Retrieved: 30 December 2015.
2079:. Retrieved: 30 December 2015.
1832:"BT approves mobiles spin-off"
1746:Linton, Peter (18 June 2001).
1602:"Spain's Telefonica to buy O₂"
1593:
1539:
1511:
1500:
1483:
1468:
1450:
1436:
1409:
13:
1:
5853:2021 mergers and acquisitions
5480:Phone-paid Services Authority
4894:BT Business and Public Sector
4771:Economy of the United Kingdom
4165:Digital Access Carrier System
3522:BT Business and Public Sector
2913:Dar, Ian (10 February 2000).
2516:Kelion, Leo (1 August 2013).
1806:"BT unveils new mobile brand"
1480:. Retrieved: 6 December 2012.
1429:
1163:– the chemical symbol for an
512:
451:extraordinary general meeting
5542:British Overseas Territories
4327:BT Sport Action Woman Awards
4044:Post Office Research Station
3905:Madley Communications Centre
3900:Guardian Exchange Manchester
3490:
3217:Former products and services
2753:"O2: NFC is ready to launch"
1337:, allowing O2 to rename its
1142:
521:industry with the launch of
431:Advanced Mobile Phone System
361:General Packet Radio Service
7:
5564:British Antarctic Territory
5455:Broadband Stakeholder Group
5305:Universal Private Telegraph
4426:UK mobile network operators
4014:Kingsway telephone exchange
2755:. Mobile News. 15 July 2009
2222:Fildes, Nic (1 June 2021).
2188:Sweney, Mark (7 May 2020).
1147:
614:network switching subsystem
342:
153:; 39 years ago
10:
5869:
5250:National Telephone Company
5210:Electric Telegraph Company
5180:Atlantic Telegraph Company
4296:Electric Telegraph Company
3960:Wotton-under-Edge BT Tower
1319:
1316:Academy Music Group venues
1094:
635:
607:
589:
435:Total Access Communication
416:British Telecommunications
382:to merge the company with
337:
26:
5833:Companies based in Slough
5756:
5678:British telephone sockets
5653:
5534:
5488:
5445:
5420:
5370:
5329:
5322:
5167:
4863:
4854:
4811:BT Wholesale and Ventures
4791:
4784:
4766:
4631:
4510:
4497:
4472:
4441:
4432:
4360:
4304:
4278:
4208:
4122:
4111:
4039:Sheffield Telephone House
4019:Leafield Technical Centre
3991:Anchor telephone exchange
3983:
3837:
3826:
3756:
3710:
3699:
3688:
3570:
3532:BT Wholesale and Ventures
3509:
3498:
3430:
3391:
3362:
3355:
3252:
3216:
3205:
3155:
1914:. NFC World. 28 July 2009
1507:BTs History. 1984 onwards
1368:smart metering technology
1207:O2 currently sponsor the
1067:internet service provider
266:
242:
230:
214:
200:
188:
174:
166:
147:
137:
127:
117:Telefonica O2 UK Limited
111:Telefónica O2 UK Limited
86:
53:
44:
5688:BT site engineering code
5640:Turks and Caicos Islands
5516:London Internet Exchange
5200:Cable & Wireless plc
4160:Advanced Mobile Location
4145:British telephone socket
4135:BT site engineering code
2305:. BBC News. 18 July 2012
1552:(Report). BT Group. 2000
1366:million distribution of
1152:The BT Cellnet consumer
1103:Near Field Communication
1054:Fixed line and broadband
586:Merger with Virgin Media
531:Near Field Communication
5738:Telephone numbers in UK
5698:Communications Act 2003
4322:BT Digital Music Awards
4155:Customer Service System
3260:Virgin Media Television
2921:. Haymarket Media Group
1629:"Telefonica Europe PLC"
1262:Celebrity Big Brother 2
5585:British Virgin Islands
5393:Marconi Communications
4054:Criggion Radio Station
3955:Tolsford Hill BT Tower
3945:Sutton Common BT Tower
3325:The Children's Channel
2850:BBC News. 18 June 2006
2827:www.campaignlive.co.uk
2694:Office of Fair Trading
1478:, O₂ corporate website
1384:boiler system controls
1330:
1284:
1199:
1085:Office of Fair Trading
648:
502:Telefónica Deutschland
480:Telefónica acquisition
375:
5550:Akrotiri and Dhekelia
5118:Virgin Media Business
4806:Babcock International
3940:Stokenchurch BT Tower
3865:BT Tower (Birmingham)
3184:Virgin Media Business
3156:Products and services
2540:"Wifi and 4G Calling"
1370:across the company's
1352:Carbon Trust Standard
1329:
1287:O2 is the sponsor of
1282:
1197:
1101:O2 began trialling a
643:
373:
290:Telefonica UK Limited
40:Telefonica UK Limited
5703:Earth stations in UK
5230:Gutta Percha Company
4952:Cable & Wireless
4871:Andrews & Arnold
4251:Packet Switch Stream
3925:Heaton Park BT Tower
2638:"O2's Official Blog"
2414:"O2 in UK LTE trial"
1376:mobile phone network
1346:Environmental record
1303:2012 Summer Olympics
1221:Rugby Football Union
1213:2003 Rugby World Cup
1185:Release the Pressure
790:HSDPA/HSPA+/DC-HSPA+
768:HSDPA/HSPA+/DC-HSPA+
559:On 23 January 2015,
465:in the Netherlands.
226:6.510 billion (2017)
5290:Submarine Telegraph
5225:General Post Office
4291:General Post Office
4059:Rugby Radio Station
4029:Stag Lane Aerodrome
3885:Charwelton BT Tower
3315:Setanta Sports News
3253:Former subsidiaries
2497:on 5 September 2013
2471:on 5 September 2013
2387:The Daily Telegraph
2137:The Daily Telegraph
1660:. 31 December 2017.
1339:Academy Music Group
1322:Academy Music Group
1225:English Premiership
714:
310:, headquartered in
99:BT Cellnet Limited
41:
5748:Web blocking in UK
5733:Telegraph Act 1885
5728:Telegraph Act 1868
5537:Crown Dependencies
5526:Symbian Foundation
5428:Carphone Warehouse
4901:BT Global Services
4649:BT Business Mobile
4501:network operators
3970:KX telephone boxes
3935:Pye Green BT Tower
3895:Goonhilly Cornwall
3875:BT Riverside Tower
3870:BT Tower (Swansea)
3779:BT Superfast Fibre
3527:BT Global Services
2569:mastdatabase.co.uk
2329:BBC News: Business
2018:. 23 January 2015.
1992:. 15 December 2014
1966:. 24 November 2014
1812:. 3 September 2001
1331:
1285:
1209:England rugby team
1200:
712:
649:
644:The O2 offices in
519:financial services
376:
320:VMED O2 UK Limited
142:Telecommunications
39:
5790:
5789:
5708:Hull Colour Pages
5448:regulatory bodies
5441:
5440:
5416:
5415:
5318:
5317:
5143:
5136:
5120:
5113:
5106:
5099:
5085:
5080:
5063:
5056:
5032:
5025:
5018:
4999:
4975:
4931:
4917:
4910:
4903:
4896:
4889:
4726:
4725:
4722:
4721:
4618:Utility Warehouse
4493:
4492:
4392:
4391:
4274:
4273:
4140:BT Speaking Clock
4107:
4106:
4064:Microwave network
3965:Red telephone box
3950:Tinshill BT Tower
3860:BT Tower (London)
3822:
3821:
3686:
3685:
3602:
3458:
3457:
3426:
3425:
3285:Challenge Jackpot
2894:. O2. 2 June 2016
2803:on 8 October 2011
2331:. 7 December 2018
2035:, 23 January 2015
1892:. 31 October 2005
1838:. 23 October 2001
1581:. 12 January 2005
1049:Former operations
1046:
1045:
662:connection using
565:Hutchison Whampoa
330:. O2 is the UK's
318:. It is owned by
287:
286:
16:(Redirected from
5860:
5777:
5776:
5764:
5763:
5645:Tristan da Cunha
5625:Pitcairn Islands
5595:Falkland Islands
5570:Ascension Island
5327:
5326:
5139:
5132:
5116:
5109:
5102:
5095:
5083:
5078:
5059:
5052:
5028:
5021:
5014:
4995:
4973:Eclipse Internet
4971:
4947:The Co-operative
4927:
4913:
4906:
4899:
4892:
4885:
4861:
4860:
4846:Telehouse Europe
4789:
4788:
4753:
4746:
4739:
4730:
4729:
4508:
4507:
4439:
4438:
4419:
4412:
4405:
4396:
4395:
4380:
4379:
4368:
4367:
4120:
4119:
4049:Portishead Radio
3930:Purdown BT Tower
3890:Faraday Building
3835:
3834:
3708:
3707:
3694:
3597:
3507:
3506:
3485:
3478:
3471:
3462:
3461:
3448:
3447:
3438:
3437:
3407:(1985–1999; 40%)
3360:
3359:
3342:Smallworld Cable
3211:
3142:
3135:
3128:
3119:
3118:
3114:
3109:
3108:
3106:Official website
3091:
3090:
3088:
3086:
3071:
3065:
3064:
3062:
3060:
3043:
3037:
3036:
3034:
3032:
3015:
3009:
3008:
3006:
3004:
2989:
2983:
2982:
2980:
2978:
2963:
2957:
2956:
2954:
2952:
2937:
2931:
2930:
2928:
2926:
2910:
2904:
2903:
2901:
2899:
2888:
2882:
2881:
2879:
2877:
2866:
2860:
2859:
2857:
2855:
2844:
2838:
2837:
2835:
2833:
2819:
2813:
2812:
2810:
2808:
2799:. Archived from
2793:
2787:
2786:
2784:
2782:
2771:
2765:
2764:
2762:
2760:
2749:
2743:
2742:
2740:
2738:
2733:on 26 March 2010
2729:. Archived from
2716:
2710:
2709:
2707:
2705:
2686:
2680:
2679:
2677:
2675:
2660:
2654:
2653:
2651:
2649:
2634:
2628:
2627:
2625:
2623:
2612:
2606:
2605:
2603:
2601:
2586:
2580:
2579:
2577:
2575:
2561:
2555:
2554:
2552:
2550:
2536:
2530:
2529:
2527:
2525:
2513:
2507:
2506:
2504:
2502:
2487:
2481:
2480:
2478:
2476:
2461:
2455:
2454:
2452:
2450:
2445:. 6 January 2012
2435:
2429:
2428:
2426:
2424:
2409:
2403:
2402:
2400:
2398:
2384:
2376:
2370:
2369:
2352:GPRS Demystified
2347:
2341:
2340:
2338:
2336:
2321:
2315:
2314:
2312:
2310:
2299:
2293:
2292:
2290:
2288:
2273:
2267:
2266:
2264:
2262:
2245:
2239:
2238:
2236:
2234:
2219:
2213:
2212:
2210:
2208:
2185:
2179:
2178:
2176:
2174:
2159:
2153:
2152:
2150:
2148:
2134:
2126:
2120:
2119:
2117:
2115:
2101:
2095:
2086:
2080:
2071:
2065:
2064:
2062:
2060:
2045:
2036:
2026:
2020:
2019:
2008:
2002:
2001:
1999:
1997:
1982:
1976:
1975:
1973:
1971:
1956:
1950:
1949:
1947:
1945:
1930:
1924:
1923:
1921:
1919:
1908:
1902:
1901:
1899:
1897:
1882:
1876:
1875:
1873:
1871:
1854:
1848:
1847:
1845:
1843:
1828:
1822:
1821:
1819:
1817:
1802:
1796:
1795:
1793:
1791:
1774:
1765:
1764:
1762:
1760:
1743:
1737:
1736:
1734:
1732:
1718:
1712:
1711:
1709:
1707:
1693:
1687:
1686:
1684:
1682:
1668:
1662:
1661:
1650:
1644:
1643:
1641:
1639:
1625:
1619:
1618:
1616:
1614:
1597:
1591:
1590:
1588:
1586:
1571:
1562:
1561:
1559:
1557:
1551:
1543:
1537:
1536:
1534:
1532:
1515:
1509:
1504:
1498:
1497:
1495:
1487:
1481:
1472:
1466:
1465:
1454:
1448:
1447:
1440:
1404:renewable energy
1392:computer monitor
1388:air conditioning
1365:
1361:
1356:carbon footprint
1268:Teen Big Brother
1245:reality TV show
1187:" in their ads.
1183:'s dance track "
1087:on 16 May 2013.
715:
711:
306:), is a British
283:
278:
275:
273:
222:
221:
161:
159:
154:
120:
114:
108:
105:O2 (UK) Limited
102:
96:
79:
73:
67:
49:
42:
38:
21:
5868:
5867:
5863:
5862:
5861:
5859:
5858:
5857:
5808:Virgin Media O2
5793:
5792:
5791:
5786:
5752:
5655:
5649:
5540:
5530:
5496:GSM Association
5489:Industry bodies
5484:
5447:
5437:
5412:
5388:Marconi Company
5366:
5314:
5163:
5091:Virgin Media O2
4856:
4850:
4793:
4780:
4762:
4757:
4727:
4718:
4627:
4502:
4500:
4489:
4468:
4434:
4428:
4423:
4393:
4388:
4356:
4337:Connected Earth
4300:
4270:
4204:
4115:
4113:
4103:
3979:
3830:
3828:
3818:
3752:
3703:
3701:
3695:
3682:
3566:
3502:
3500:
3494:
3489:
3459:
3454:
3422:
3387:
3351:
3248:
3239:O2 wireless box
3212:
3203:
3151:
3149:Virgin Media O2
3146:
3104:
3103:
3100:
3095:
3094:
3084:
3082:
3073:
3072:
3068:
3058:
3056:
3044:
3040:
3030:
3028:
3016:
3012:
3002:
3000:
2991:
2990:
2986:
2976:
2974:
2964:
2960:
2950:
2948:
2938:
2934:
2924:
2922:
2911:
2907:
2897:
2895:
2890:
2889:
2885:
2875:
2873:
2868:
2867:
2863:
2853:
2851:
2846:
2845:
2841:
2831:
2829:
2821:
2820:
2816:
2806:
2804:
2795:
2794:
2790:
2780:
2778:
2773:
2772:
2768:
2758:
2756:
2751:
2750:
2746:
2736:
2734:
2717:
2713:
2703:
2701:
2700:on 2 April 2014
2688:
2687:
2683:
2673:
2671:
2668:BBC News Online
2662:
2661:
2657:
2647:
2645:
2636:
2635:
2631:
2621:
2619:
2614:
2613:
2609:
2599:
2597:
2587:
2583:
2573:
2571:
2563:
2562:
2558:
2548:
2546:
2538:
2537:
2533:
2523:
2521:
2514:
2510:
2500:
2498:
2489:
2488:
2484:
2474:
2472:
2463:
2462:
2458:
2448:
2446:
2437:
2436:
2432:
2422:
2420:
2410:
2406:
2396:
2394:
2377:
2373:
2366:
2348:
2344:
2334:
2332:
2323:
2322:
2318:
2308:
2306:
2301:
2300:
2296:
2286:
2284:
2275:
2274:
2270:
2260:
2258:
2246:
2242:
2232:
2230:
2228:Financial Times
2220:
2216:
2206:
2204:
2186:
2182:
2172:
2170:
2161:
2160:
2156:
2146:
2144:
2127:
2123:
2113:
2111:
2103:
2102:
2098:
2087:
2083:
2072:
2068:
2058:
2056:
2055:. 24 March 2015
2047:
2046:
2039:
2027:
2023:
2010:
2009:
2005:
1995:
1993:
1984:
1983:
1979:
1969:
1967:
1958:
1957:
1953:
1943:
1941:
1931:
1927:
1917:
1915:
1910:
1909:
1905:
1895:
1893:
1884:
1883:
1879:
1869:
1867:
1855:
1851:
1841:
1839:
1836:BBC News Online
1830:
1829:
1825:
1815:
1813:
1810:BBC News Online
1804:
1803:
1799:
1789:
1787:
1784:The Independent
1775:
1768:
1758:
1756:
1744:
1740:
1730:
1728:
1720:
1719:
1715:
1705:
1703:
1695:
1694:
1690:
1680:
1678:
1670:
1669:
1665:
1658:Companies House
1652:
1651:
1647:
1637:
1635:
1633:Companies House
1627:
1626:
1622:
1612:
1610:
1598:
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1573:
1572:
1565:
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1540:
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1528:
1525:Financial Times
1516:
1512:
1505:
1501:
1493:
1489:
1488:
1484:
1473:
1469:
1456:
1455:
1451:
1442:
1441:
1437:
1432:
1412:
1394:standby times.
1363:
1359:
1348:
1324:
1318:
1293:Millennium Dome
1283:The O2 entrance
1277:
1205:
1161:
1150:
1145:
1099:
1093:
1056:
1051:
1011:2,100 MHz
953:2,600 MHz
638:
610:
594:
592:Virgin Media O2
588:
550:
515:
482:
461:in Germany and
404:British Telecom
396:
388:Virgin Media O2
345:
340:
304:
270:
262:
237:Virgin Media O2
203:
191:
170:John Carrington
157:
155:
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123:
118:
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100:
94:
82:
77:
71:
65:
58:
35:
32:
23:
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15:
12:
11:
5:
5866:
5856:
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5771:
5757:
5754:
5753:
5751:
5750:
5745:
5740:
5735:
5730:
5725:
5720:
5718:Internet in UK
5715:
5710:
5705:
5700:
5695:
5690:
5685:
5680:
5675:
5670:
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5659:
5657:
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5642:
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5590:Cayman Islands
5587:
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5446:Government and
5443:
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5125:
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5107:
5100:
5088:
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5074:Trunk Networks
5071:
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5019:
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4803:
4797:
4795:
4792:Infrastructure
4786:
4782:
4781:
4779:
4778:
4773:
4767:
4764:
4763:
4756:
4755:
4748:
4741:
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4505:
4499:Mobile virtual
4495:
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4482:
4476:
4474:
4470:
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4467:
4466:
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4456:
4451:
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4433:Mobile network
4430:
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4422:
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4414:
4407:
4399:
4390:
4389:
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3996:Bletchley Park
3993:
3987:
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3823:
3820:
3819:
3817:
3816:
3811:
3806:
3801:
3796:
3791:
3786:
3784:BT Versatility
3781:
3776:
3771:
3766:
3760:
3758:
3754:
3753:
3751:
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3740:
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3423:
3421:
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3414:
3408:
3402:
3395:
3393:
3389:
3388:
3386:
3385:
3382:Liberty Global
3379:
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3159:
3157:
3153:
3152:
3145:
3144:
3137:
3130:
3122:
3116:
3115:
3099:
3098:External links
3096:
3093:
3092:
3081:. 25 July 2016
3066:
3038:
3010:
2999:. 24 July 2017
2984:
2958:
2946:Marketing Week
2932:
2905:
2883:
2861:
2839:
2814:
2788:
2766:
2744:
2711:
2681:
2670:. 1 March 2013
2655:
2644:. 28 June 2011
2629:
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2508:
2482:
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2404:
2371:
2364:
2358:. p. 39.
2342:
2316:
2294:
2283:. 12 July 2012
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2003:
1977:
1951:
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1823:
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1713:
1688:
1663:
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1482:
1467:
1449:
1434:
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1408:
1347:
1344:
1320:Main article:
1317:
1314:
1276:
1273:
1204:
1201:
1159:
1149:
1146:
1144:
1141:
1095:Main article:
1092:
1091:Payment system
1089:
1055:
1052:
1050:
1047:
1044:
1043:
1038:
1033:
1030:
1029:3,500 MHz
1026:
1025:
1020:
1015:
1012:
1008:
1007:
1002:
997:
994:
990:
989:
984:
979:
976:
972:
971:
962:
957:
954:
950:
949:
940:
935:
932:
931:2,300 MHz
928:
927:
918:
909:
906:
905:2,100 MHz
902:
901:
892:
883:
880:
879:1,800 MHz
876:
875:
866:
857:
854:
850:
849:
840:
831:
828:
824:
823:
814:
805:
802:
798:
797:
792:
783:
780:
779:2,100 MHz
776:
775:
770:
761:
758:
754:
753:
748:
735:
733:
729:
728:
725:
722:
719:
693:, O2 launched
637:
634:
609:
606:
598:Liberty Global
590:Main article:
587:
584:
549:
546:
514:
511:
481:
478:
463:Telfort Mobiel
442:Peter Bonfield
395:
392:
380:Liberty Global
344:
341:
339:
336:
328:Liberty Global
302:
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284:
268:
264:
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206:Lutz Schüler (
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195:United Kingdom
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149:
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88:
84:
83:
81:
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68:
66:(2002–present)
61:
59:
54:
51:
50:
33:
9:
6:
4:
3:
2:
5865:
5854:
5851:
5849:
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5834:
5831:
5829:
5826:
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5821:
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5816:
5814:
5811:
5809:
5806:
5804:
5801:
5800:
5798:
5783:
5782:
5772:
5770:
5769:
5759:
5758:
5755:
5749:
5746:
5744:
5741:
5739:
5736:
5734:
5731:
5729:
5726:
5724:
5723:Telegraph Act
5721:
5719:
5716:
5714:
5711:
5709:
5706:
5704:
5701:
5699:
5696:
5694:
5691:
5689:
5686:
5684:
5681:
5679:
5676:
5674:
5671:
5669:
5666:
5664:
5663:Adastral Park
5661:
5660:
5658:
5652:
5646:
5643:
5641:
5638:
5636:
5633:
5631:
5628:
5626:
5623:
5621:
5618:
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5613:
5611:
5608:
5606:
5603:
5601:
5598:
5596:
5593:
5591:
5588:
5586:
5583:
5581:
5578:
5576:
5573:
5571:
5568:
5565:
5561:
5558:
5556:
5553:
5551:
5548:
5547:
5545:
5543:
5538:
5533:
5527:
5524:
5522:
5519:
5517:
5514:
5512:
5509:
5507:
5504:
5502:
5499:
5497:
5494:
5493:
5491:
5487:
5481:
5478:
5476:
5473:
5471:
5468:
5466:
5463:
5461:
5458:
5456:
5453:
5452:
5450:
5444:
5434:
5431:
5429:
5426:
5425:
5423:
5419:
5409:
5406:
5404:
5401:
5399:
5396:
5394:
5391:
5389:
5386:
5384:
5381:
5379:
5376:
5375:
5373:
5369:
5363:
5360:
5358:
5355:
5353:
5350:
5348:
5345:
5343:
5340:
5338:
5335:
5334:
5332:
5328:
5325:
5321:
5311:
5310:Virgin Mobile
5308:
5306:
5303:
5301:
5298:
5296:
5293:
5291:
5288:
5286:
5283:
5281:
5278:
5276:
5273:
5271:
5268:
5266:
5263:
5261:
5258:
5256:
5253:
5251:
5248:
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5228:
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5223:
5221:
5218:
5216:
5213:
5211:
5208:
5206:
5203:
5201:
5198:
5196:
5193:
5191:
5188:
5186:
5185:Be Un Limited
5183:
5181:
5178:
5176:
5173:
5172:
5170:
5166:
5160:
5157:
5155:
5152:
5150:
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5138:
5135:
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5126:
5119:
5115:
5114:
5112:
5108:
5105:
5101:
5098:
5094:
5093:
5092:
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5050:
5049:
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5036:
5031:
5027:
5024:
5020:
5017:
5013:
5012:
5011:
5008:
5006:
5003:
4998:
4997:Sky Broadband
4994:
4993:
4992:
4989:
4987:
4984:
4982:
4979:
4974:
4970:
4969:
4968:
4965:
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4955:
4953:
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4925:
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4912:
4909:
4905:
4902:
4898:
4895:
4891:
4888:
4884:
4883:
4882:
4879:
4877:
4874:
4872:
4869:
4868:
4866:
4862:
4859:
4853:
4847:
4844:
4842:
4841:TelecityGroup
4839:
4837:
4834:
4832:
4829:
4827:
4824:
4822:
4819:
4817:
4814:
4812:
4809:
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4772:
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4715:
4712:
4710:
4707:
4705:
4702:
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4697:
4695:
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4496:
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4475:
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4465:
4462:
4460:
4457:
4455:
4452:
4450:
4447:
4446:
4444:
4440:
4437:
4431:
4427:
4420:
4415:
4413:
4408:
4406:
4401:
4400:
4397:
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4384:
4375:
4373:
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4363:
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4359:
4353:
4350:
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4340:
4338:
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4328:
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4323:
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4310:
4309:
4307:
4303:
4297:
4294:
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4283:
4281:
4277:
4267:
4264:
4262:
4259:
4257:
4254:
4252:
4249:
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4244:
4242:
4239:
4237:
4234:
4232:
4229:
4227:
4224:
4222:
4219:
4217:
4214:
4213:
4211:
4207:
4201:
4198:
4196:
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4191:
4188:
4186:
4183:
4181:
4178:
4176:
4173:
4171:
4168:
4166:
4163:
4161:
4158:
4156:
4153:
4151:
4150:Cable jetting
4148:
4146:
4143:
4141:
4138:
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4133:
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4128:
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4047:
4045:
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4037:
4035:
4034:Marland House
4032:
4030:
4027:
4025:
4024:Mondial House
4022:
4020:
4017:
4015:
4012:
4010:
4009:Horwood House
4007:
4005:
4004:
3999:
3997:
3994:
3992:
3989:
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3898:
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3888:
3886:
3883:
3881:
3880:Stadium House
3878:
3876:
3873:
3871:
3868:
3866:
3863:
3861:
3858:
3856:
3853:
3851:
3850:Baynard House
3848:
3846:
3845:Adastral Park
3843:
3842:
3840:
3836:
3833:
3825:
3815:
3812:
3810:
3807:
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3709:
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3698:
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3679:
3676:
3674:
3671:
3669:
3668:Swindon Cable
3666:
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3649:
3646:
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3641:
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3328:
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3308:
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3298:
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3268:
3266:
3263:
3262:
3261:
3258:
3257:
3255:
3251:
3245:
3242:
3240:
3237:
3235:
3232:
3230:
3229:Virgin Mobile
3227:
3225:
3222:
3221:
3219:
3215:
3210:
3200:
3197:
3195:
3192:
3190:
3187:
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3182:
3179:
3176:
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3171:
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3154:
3150:
3143:
3138:
3136:
3131:
3129:
3124:
3123:
3120:
3113:
3107:
3102:
3101:
3080:
3076:
3070:
3055:
3054:
3049:
3042:
3027:
3026:
3025:BusinessGreen
3021:
3014:
2998:
2994:
2988:
2973:
2969:
2962:
2947:
2943:
2936:
2920:
2916:
2909:
2893:
2887:
2871:
2865:
2849:
2843:
2828:
2824:
2818:
2802:
2798:
2792:
2776:
2770:
2754:
2748:
2732:
2728:
2727:
2722:
2715:
2699:
2695:
2691:
2685:
2669:
2665:
2659:
2643:
2642:Blog.o2.co.uk
2639:
2633:
2617:
2611:
2596:
2592:
2585:
2570:
2566:
2560:
2545:
2541:
2535:
2519:
2512:
2496:
2492:
2486:
2470:
2466:
2460:
2444:
2440:
2434:
2419:
2418:Total Telecom
2415:
2408:
2392:
2388:
2383:
2375:
2367:
2365:0-07-138553-3
2361:
2357:
2353:
2346:
2330:
2326:
2320:
2304:
2298:
2282:
2278:
2272:
2257:
2256:
2251:
2244:
2229:
2225:
2218:
2203:
2199:
2195:
2191:
2184:
2168:
2164:
2158:
2142:
2138:
2133:
2125:
2110:
2106:
2100:
2093:
2091:
2085:
2078:
2076:
2070:
2054:
2050:
2044:
2042:
2034:
2030:
2025:
2017:
2013:
2007:
1991:
1987:
1981:
1965:
1961:
1955:
1940:
1936:
1929:
1913:
1907:
1891:
1887:
1881:
1866:
1865:
1860:
1853:
1837:
1833:
1827:
1811:
1807:
1801:
1786:
1785:
1780:
1773:
1771:
1755:
1754:
1749:
1742:
1727:
1723:
1717:
1702:
1698:
1692:
1677:
1673:
1667:
1659:
1655:
1649:
1634:
1630:
1624:
1609:
1608:
1603:
1596:
1580:
1576:
1570:
1568:
1548:
1542:
1527:
1526:
1521:
1514:
1508:
1503:
1492:
1486:
1479:
1477:
1471:
1463:
1459:
1453:
1445:
1439:
1435:
1427:
1425:
1419:
1417:
1407:
1405:
1400:
1395:
1393:
1389:
1385:
1382:lighting and
1381:
1377:
1373:
1369:
1357:
1353:
1343:
1340:
1336:
1328:
1323:
1313:
1311:
1306:
1304:
1300:
1296:
1294:
1290:
1281:
1275:Naming rights
1272:
1270:
1269:
1264:
1263:
1258:
1257:fourth series
1254:
1253:second series
1250:
1249:
1244:
1239:
1237:
1233:
1228:
1226:
1222:
1218:
1214:
1210:
1196:
1192:
1188:
1186:
1182:
1177:
1173:
1169:
1166:
1162:
1155:
1140:
1137:
1135:
1131:
1127:
1122:
1120:
1116:
1112:
1108:
1104:
1098:
1088:
1086:
1081:
1077:
1075:
1070:
1068:
1064:
1063:Be Un Limited
1061:O2 purchased
1059:
1042:
1039:
1037:
1034:
1031:
1027:
1024:
1021:
1019:
1016:
1013:
1010:
1009:
1006:
1003:
1001:
998:
995:
993:900 MHz
992:
991:
988:
985:
983:
980:
977:
975:700 MHz
974:
973:
970:
966:
963:
961:
958:
955:
952:
951:
948:
944:
941:
939:
936:
933:
930:
929:
926:
922:
919:
917:
913:
910:
907:
904:
903:
900:
896:
893:
891:
887:
884:
881:
878:
877:
874:
870:
867:
865:
861:
858:
855:
853:900 MHz
852:
851:
848:
844:
841:
839:
835:
832:
829:
827:800 MHz
826:
825:
822:
818:
815:
813:
809:
806:
803:
801:700 MHz
800:
799:
796:
793:
791:
787:
784:
781:
778:
777:
774:
771:
769:
765:
762:
759:
756:
755:
752:
749:
747:
743:
739:
736:
734:
731:
730:
726:
723:
720:
717:
716:
710:
708:
707:iPhone 7 Plus
704:
700:
696:
692:
687:
683:
679:
677:
673:
669:
665:
661:
656:
654:
647:
642:
633:
629:
627:
623:
619:
615:
605:
603:
599:
593:
583:
580:
578:
573:
570:
566:
562:
557:
555:
548:Sale attempts
545:
543:
539:
534:
532:
528:
527:mobile phones
524:
520:
510:
508:
503:
499:
495:
494:Český Telecom
489:
487:
477:
474:
472:
466:
464:
460:
459:Viag Interkom
456:
455:Esat Digifone
452:
446:
443:
438:
436:
432:
428:
423:
421:
417:
413:
412:joint venture
407:
405:
401:
391:
389:
385:
381:
372:
368:
364:
362:
358:
354:
350:
349:joint venture
335:
333:
329:
325:
321:
317:
313:
309:
305:
299:(stylised as
298:
295:
291:
282:
277:
269:
265:
258:
255:
253:
250:
249:
247:
245:
241:
238:
235:
233:
229:
225:
217:
213:
209:
205:
199:
196:
193:
187:
184:
180:
177:
173:
169:
165:
150:
146:
143:
140:
136:
133:
130:
126:
116:
110:
104:
98:
92:
91:
89:
85:
75:
69:
63:
62:
60:
57:
52:
48:
43:
37:
30:
19:
5779:
5766:
5630:Saint Helena
5337:Arm Holdings
5159:Zen Internet
5111:Virgin Media
5096:
5038:Telecom Plus
4923:China Mobile
4704:RSPCA Mobile
4654:Co-operative
4608:Tesco Mobile
4603:Telecom Plus
4453:
4382:
4370:
4231:Go!Messenger
4099:UK-Belgium 5
4002:
3814:Merlin M4000
3809:Micronet 800
3804:Telecom Gold
3743:BT Smart Hub
3723:EE Broadband
3718:BT Broadband
3623:O2 (Germany)
3618:O2 (Ireland)
3612:
3608:Manx Telecom
3598:merged into
3503:subsidiaries
3363:Virgin Media
3356:Predecessors
3337:Bid Shopping
3320:Living Loves
3178:Tesco Mobile
3168:Virgin Media
3162:
3083:. Retrieved
3078:
3069:
3057:. Retrieved
3053:The Guardian
3051:
3041:
3029:. Retrieved
3023:
3013:
3001:. Retrieved
2996:
2987:
2975:. Retrieved
2972:The Guardian
2971:
2961:
2949:. Retrieved
2945:
2935:
2923:. Retrieved
2918:
2908:
2896:. Retrieved
2886:
2874:. Retrieved
2864:
2852:. Retrieved
2842:
2830:. Retrieved
2826:
2817:
2805:. Retrieved
2801:the original
2791:
2781:14 September
2779:. Retrieved
2769:
2757:. Retrieved
2747:
2735:. Retrieved
2731:the original
2724:
2714:
2702:. Retrieved
2698:the original
2693:
2684:
2672:. Retrieved
2667:
2658:
2648:20 September
2646:. Retrieved
2641:
2632:
2620:. Retrieved
2610:
2598:. Retrieved
2594:
2589:CellMapper.
2584:
2572:. Retrieved
2568:
2559:
2547:. Retrieved
2544:www.o2.co.uk
2543:
2534:
2522:. Retrieved
2511:
2499:. Retrieved
2495:the original
2485:
2473:. Retrieved
2469:the original
2459:
2447:. Retrieved
2442:
2433:
2421:. Retrieved
2417:
2407:
2395:. Retrieved
2386:
2374:
2351:
2345:
2333:. Retrieved
2328:
2319:
2307:. Retrieved
2297:
2285:. Retrieved
2280:
2271:
2259:. Retrieved
2255:The Guardian
2253:
2243:
2231:. Retrieved
2227:
2217:
2205:. Retrieved
2194:The Guardian
2193:
2183:
2171:. Retrieved
2169:. 7 May 2020
2166:
2157:
2147:25 September
2145:. Retrieved
2136:
2124:
2112:. Retrieved
2108:
2099:
2089:
2084:
2074:
2069:
2057:. Retrieved
2052:
2024:
2015:
2006:
1994:. Retrieved
1989:
1980:
1968:. Retrieved
1963:
1954:
1942:. Retrieved
1938:
1928:
1916:. Retrieved
1906:
1894:. Retrieved
1889:
1880:
1868:. Retrieved
1862:
1852:
1840:. Retrieved
1835:
1826:
1814:. Retrieved
1809:
1800:
1788:. Retrieved
1782:
1757:. Retrieved
1751:
1741:
1729:. Retrieved
1726:www.o2.co.uk
1725:
1716:
1704:. Retrieved
1701:Virgin Media
1700:
1691:
1679:. Retrieved
1676:www.o2.co.uk
1675:
1666:
1657:
1648:
1636:. Retrieved
1632:
1623:
1611:. Retrieved
1607:The Register
1605:
1595:
1585:15 September
1583:. Retrieved
1578:
1554:. Retrieved
1541:
1529:. Retrieved
1523:
1513:
1502:
1485:
1475:
1470:
1452:
1438:
1420:
1413:
1396:
1349:
1332:
1307:
1299:The O2 Arena
1297:
1286:
1266:
1265:in 2002 and
1260:
1246:
1240:
1232:Arsenal F.C.
1229:
1206:
1203:Sponsorships
1189:
1176:Lambie-Nairn
1172:Manx Telecom
1157:
1156:was renamed
1151:
1138:
1123:
1100:
1078:
1071:
1060:
1057:
916:LTE Advanced
890:LTE Advanced
864:LTE Advanced
838:LTE Advanced
812:LTE Advanced
757:900 MHz
732:900 MHz
699:WiFi Calling
688:
684:
680:
657:
650:
630:
622:Tesco Mobile
611:
602:Virgin Media
595:
581:
574:
558:
551:
535:
516:
490:
483:
475:
471:Lambie-Nairn
467:
457:in Ireland,
447:
439:
424:
408:
397:
394:1985 to 2005
384:Virgin Media
377:
365:
346:
300:
296:
289:
288:
257:Tesco Mobile
244:Subsidiaries
175:Headquarters
162:(as Cellnet)
128:Company type
36:
5683:BT Research
5656:legislation
5610:Isle of Man
5562:(including
5383:GEC Plessey
5285:Sainsbury's
5270:Post Office
5134:Vodafone UK
4887:BT Consumer
4876:Asda Mobile
4699:Post Office
4684:Sainsbury's
4523:Asda Mobile
4312:BT Archives
3794:BT MyDonate
3638:Telecomsoft
3537:BT Research
3517:BT Consumer
3419:(2006–2021)
3413:(2002–2006)
3401:(1985–2002)
3384:(2013–2021)
3378:(1984–2006)
3372:(1992–2006)
3290:Channel One
3085:15 November
3003:23 February
2977:23 February
2832:18 December
2501:24 February
2475:20 February
2356:McGraw-Hill
2207:5 September
2173:5 September
1939:Digital Spy
1410:Controversy
1335:Live Nation
1248:Big Brother
1217:rugby union
1111:W. H. Smith
1074:BT Infinity
600:subsidiary
563:, owner of
561:Li Ka-shing
542:transmitter
190:Area served
113:(2008–2011)
107:(2002–2008)
101:(1999–2002)
95:(1985–1999)
78:(1985–1999)
72:(1999–2002)
70:BT Cellnet
5823:Telefónica
5797:Categories
5620:Montserrat
5560:Antarctica
5347:Metaswitch
5295:Tiscali UK
5154:WightFibre
5141:Talkmobile
4986:Lycamobile
4967:KCOM Group
4942:Colt Group
4821:KCOM Group
4664:Easymobile
4639:AfriMobile
4598:Talkmobile
4573:Lycamobile
4548:FreedomPop
4112:Programmes
3831:facilities
3799:BT MyPlace
3789:BT Voyager
3769:BT Highway
3748:TNT Sports
3593:Madasafish
3557:BT Ireland
3417:Telefónica
3305:Real Lives
3244:O2 Joggler
3224:Virgin.net
2997:Music Week
2951:2 December
2925:2 December
2807:8 December
2704:14 October
2595:CellMapper
2574:27 January
2520:. BBC News
2335:7 December
1996:23 January
1970:23 January
1842:7 February
1816:7 February
1613:7 February
1556:7 February
1476:Contact us
1462:Telefónica
1430:References
1372:cell sites
1126:cash cards
695:VoLTE (4G)
513:Since 2007
486:Telefónica
324:Telefónica
294:trading as
202:Key people
132:Subsidiary
56:Trade name
29:O2 (brand)
5600:Gibraltar
5323:Suppliers
4857:providers
4836:Interxion
4831:Openreach
4816:CityFibre
4794:providers
4785:Companies
4679:GT Mobile
4563:KC Mobile
4558:iD Mobile
4528:BT Mobile
4435:operators
4317:BT Museum
4116:standards
4003:Sovereign
3855:BT Centre
3827:Buildings
3774:BT Mobile
3764:BT Fusion
3728:EE Mobile
3578:BT Marine
3562:BT Italia
3542:Openreach
3499:Divisions
3405:Securicor
3265:Challenge
3189:Virgin TV
3059:2 October
3031:2 October
2876:16 August
2854:2 October
2737:2 October
2449:6 January
2423:2 October
2397:2 October
2202:0261-3077
1918:2 October
1896:2 October
1870:2 October
1864:Marketing
1790:2 October
1759:2 October
1753:Medialink
1531:2 October
1251:from its
1243:Channel 4
1236:2005/2006
1181:Leftfield
1143:Marketing
718:Frequency
620:networks
420:Securicor
357:Securicor
5768:Category
5654:History,
5605:Guernsey
5555:Anguilla
5408:Standard
5403:PicoChip
5352:Sarantel
5300:T-Mobile
5149:Voipfone
5128:Vodafone
5104:Giffgaff
5079:Leetline
5054:Three UK
5016:Business
5010:TalkTalk
4962:Inmarsat
4937:Claranet
4881:BT Group
4826:Nexfibre
4709:TalkTalk
4694:People's
4613:Truphone
4553:Giffgaff
4518:1pMobile
4485:T-Mobile
4464:Vodafone
4371:Category
4286:BT Group
4246:N3 (NHS)
4185:ADSL Max
4180:System Y
4175:System X
4089:CANTAT-2
3704:services
3700:Products
3678:Open....
3673:6GMOBILE
3583:dabs.com
3492:BT Group
3440:Category
3399:BT Group
3376:Telewest
3310:SceneOne
3199:O2 Money
3194:O2 Store
3173:giffgaff
3079:BBC News
2919:Campaign
2622:22 April
2618:. O2 plc
2549:28 March
2524:1 August
2443:BBC News
2391:Archived
2309:1 August
2281:BBC News
2167:BBC News
2141:Archived
2109:BBC News
2059:24 March
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1944:1 August
1890:BBC News
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691:iOS 10.3
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538:Vodafone
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3330:Trouble
3280:Bravo 2
2898:16 June
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2600:1 March
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2033:Reuters
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2200:
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1731:1 June
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1364:
1360:
1289:The O2
1165:oxygen
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727:Class
672:Huawei
668:Slough
232:Parent
119:(2011)
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4069:TAT-1
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3180:(50%)
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925:4G+
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738:GSM
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3392:O2
3234:V+
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1041:5G
1023:5G
1005:5G
987:5G
965:4G
943:4G
934:40
921:4G
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869:4G
856:8
843:4G
817:4G
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773:3G
751:2G
678:.
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422:.
297:O2
292:,
272:o2
181:,
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4752:e
4745:t
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224:£
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