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219:. The Illinois Bell name continued to be used until January 1993, when Ameritech dropped all of their individual Bell Operating Company names in favor of using their corporate name, Ameritech, for marketing purposes. Illinois Bell started doing business as
272:. Though the merger wasn't well received at first, it was allowed to occur with some conditions. The two companies were officially merged as of October 8, 1999. The Ameritech name continued to be used until 2002, despite the merger.
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dropped the
Ameritech name in favor of "SBC" as a national brand. On January 1, 2003, Illinois Bell, for regulatory business, was renamed
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This article about a telecommunications corporation or company in the United States is a
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294:. Illinois Bell's trade name was changed once again in 2006, following conclusion of
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In 1998, Ameritech announced intentions to merge with SBC, another former
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Illinois Bell, in 1971, became the first ever telephone company to offer
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In 1997, Illinois Bell acquired lines in the
Chicago metro area from
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The
Chesapeake & Potomac Telephone Company of West Virginia
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The
Chesapeake & Potomac Telephone Company of Virginia
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The
Chesapeake & Potomac Telephone Company of Maryland
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27:
Telecommunications utility company in
Illinois, USA
2717:Telecommunications companies of the United States
203:Their headquarters are at 225 West Randolph St.,
2727:Telecommunications companies established in 1920
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275:In 2001, the company started doing business as
2747:United States telecommunications company stubs
1084:The Chesapeake & Potomac Telephone Company
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1343:Alexander Graham Bell National Historic Site
879:Michigan Bell and Western Electric Warehouse
2522:Global telecommunications regulation bodies
1391:New England Telephone and Telegraph Company
832:AT&T Building (Denmark, South Carolina)
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1079:The Bell Telephone Company of Pennsylvania
1000:
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1035:American Telephone and Telegraph Company
771:Detroit–Columbia Central Office Building
756:AT&T Switching Center (Los Angeles)
254:telephone service options to this day.
14:
2732:American companies established in 1920
2699:
1521:
1221:
1057:Local telephone companies still extant
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1353:Bell Homestead National Historic Site
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1019:
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751:AT&T Switching Center (Manhattan)
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259:Central Telephone Company of Illinois
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1411:Bell Telephone Manufacturing Company
1401:The Bell Telephone Company of Canada
1396:International Bell Telephone Company
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701:AT&T Building (Kingman, Arizona)
178:Illinois Bell Telephone Company, LLC
31:Illinois Bell Telephone Company, LLC
827:AT&T Building (Davenport, Iowa)
24:
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230:Illinois Bell Bell logo, 1921-1939
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217:Regional Bell Operating Companies
211:, Illinois Bell became a part of
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2157:Free-space optical communication
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1074:Bell Telephone Company of Nevada
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696:AT&T Building (Indianapolis)
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304:Illinois Bell Telephone Company
288:Illinois Bell Telephone Company
2737:1920 establishments in Illinois
1457:Regional Bell Operating Company
1007:
924:Naming rights and sponsorships
822:AT&T Long Distance Building
18:Illinois Bell Telephone Company
1325:
1195:Southern New England Telephone
13:
1:
1363:Telephone Pioneers of America
1287:Advanced Mobile Phone Service
716:AT&T Center (Los Angeles)
711:AT&T Building (San Diego)
706:AT&T Building (Nashville)
2660:. You can help Knowledge by
2607:. You can help Knowledge by
2543:Telecommunication portal
2324:Telecommunications equipment
761:AT&T Tower (Minneapolis)
746:AT&T Long Lines Building
736:AT&T Huron Road Building
70:; 143 years ago
7:
2060:Alexander Stepanovich Popov
1416:AT&T Technologies, Inc.
726:AT&T Center (St. Louis)
721:AT&T Center (Milwaukee)
691:AT&T Building (Detroit)
10:
2763:
2722:Companies based in Chicago
2643:
2586:
1764:Telecommunications history
741:AT&T Lenox Park Campus
599:AT&T Business Internet
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2372:Public Switched Telephone
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2194:
2184:telecommunication circuit
2145:Fiber-optic communication
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1890:Francis Blake (telephone)
1837:
1685:Optical telecommunication
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817:AT&T Corporate Center
807:AT&T Building (Omaha)
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2283:Orbital angular-momentum
1720:Satellite communications
1559:Communications satellite
472:Samuel A. Di Piazza, Jr.
215:, one of the 7 original
2162:Molecular communication
1985:Gardiner Greene Hubbard
1814:Undersea telegraph line
1549:Cable protection system
1369:Spirit of Communication
1358:Bell Telephone Memorial
1296:Regional Bell companies
1104:Diamond State Telephone
812:AT&T Midtown Center
604:AT&T Small Business
584:BellSouth Long Distance
377:Gardiner Greene Hubbard
209:Bell System Divestiture
126:Local Telephone Service
2603:-related article is a
2304:Communication protocol
2090:Charles Sumner Tainter
1905:Walter Houser Brattain
1850:Edwin Howard Armstrong
1658:Information revolution
1386:Bell Telephone Company
1154:Pacific Northwest Bell
874:Barclay–Vesey Building
842:AT&T at the Movies
609:AT&T Cybersecurity
432:Michael B. McCallister
277:SBC Ameritech Illinois
252:local exchange carrier
231:
182:Bell Operating Company
2707:AT&T subsidiaries
2278:Polarization-division
2010:Narinder Singh Kapany
1975:Erna Schneider Hoover
1895:Jagadish Chandra Bose
1875:Alexander Graham Bell
1606:online video platform
1483:Telephones portal
1129:New England Telephone
487:Randall L. Stephenson
372:Alexander Graham Bell
229:
207:, IL. After the 1984
194:AT&T Teleholdings
152:Ameritech (1984-1999)
2120:Vladimir K. Zworykin
2080:Almon Brown Strowger
2050:Charles Grafton Page
1705:Prepaid mobile phone
1633:Electrical telegraph
776:Europe India Gateway
766:Asia-America Gateway
731:AT&T City Center
492:Laura D'Andrea Tyson
147:AT&T Corporation
2070:Johann Philipp Reis
1829:Wireless revolution
1791:The Telephone Cases
1648:Hydraulic telegraph
1179:Wisconsin Telephone
32:
2268:Frequency-division
2245:Telephone exchange
2115:Charles Wheatstone
2045:Jun-ichi Nishizawa
2020:Innocenzo Manzetti
1955:Reginald Fessenden
1690:Optical telegraphy
1523:Telecommunications
1222:Other subsidiaries
1164:South Central Bell
1139:New York Telephone
864:550 Madison Avenue
574:AT&T Southwest
569:AT&T Southeast
406:William E. Kennard
296:SBC Communications
232:
221:Ameritech Illinois
170:http://www.att.com
113:Paul La Schiazza (
59:Telecommunications
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2319:Store and forward
2314:Data transmission
2228:Network switching
2179:Transmission line
2025:Guglielmo Marconi
1990:Internet pioneers
1855:Mohamed M. Atalla
1824:Whistled language
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624:AT&T Internet
589:SBC Long Distance
517:AT&T Mobility
503:
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477:Richard W. Fisher
452:Cynthia B. Taylor
417:Glenn H. Hutchins
308:AT&T Illinois
240:Three-way calling
188:. It is owned by
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16:(Redirected from
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2412:Notable networks
2402:Wireless network
2342:Cellular network
2334:Types of network
2309:Computer network
2196:Network topology
2110:Thomas A. Watson
1965:Oliver Heaviside
1950:Philo Farnsworth
1925:Daniel Davis Jr.
1900:Charles Bourseul
1860:John Logie Baird
1569:Data compression
1564:Computer network
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579:AT&T Alascom
527:AT&T Midwest
522:Cricket Wireless
496:Geoffrey Y. Yang
427:Marissa A. Mayer
422:Stephen J. Luczo
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509:Communications
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482:Joyce M. Roche
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456:Luis A. Ubiñas
453:
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437:Beth E. Mooney
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298:' purchase of
250:, all popular
173:
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158:(1999-present)
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2:
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2742:Chicago stubs
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2288:Code-division
2286:
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2273:Time-division
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2222:
2219:
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2212:
2209:
2207:
2204:
2203:
2201:
2199:and switching
2197:
2193:
2185:
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2177:
2173:
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2169:
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2165:
2163:
2160:
2158:
2155:
2151:
2150:optical fiber
2148:
2147:
2146:
2143:
2141:
2140:Coaxial cable
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2127:
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2055:Radia Perlman
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2018:
2016:
2013:
2011:
2008:
2006:
2003:
2001:
1998:
1996:
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1983:
1981:
1978:
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1971:
1968:
1966:
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1961:
1958:
1956:
1953:
1951:
1948:
1946:
1945:Lee de Forest
1943:
1941:
1940:Thomas Edison
1938:
1936:
1933:
1931:
1930:Donald Davies
1928:
1926:
1923:
1921:
1918:
1916:
1915:Claude Chappe
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1911:
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1760:
1759:Smoke signals
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1739:
1738:
1737:Semiconductor
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1596:Digital media
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1348:Bell Boatyard
1346:
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1340:
1338:
1336:Commemorative
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1264:Long distance
1262:
1256:
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1234:
1232:Manufacturing
1230:
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1201:
1198:
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1190:
1186:
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1177:
1175:
1172:
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1169:Southern Bell
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1125:
1124:Mountain Bell
1122:
1120:
1119:Michigan Bell
1117:
1115:
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1109:Illinois Bell
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670:Buildings and
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650:
649:
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645:
643:
641:
640:Latin America
637:
630:
627:
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614:AT&T Labs
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451:
448:
445:
443:
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435:
433:
430:
428:
425:
423:
420:
418:
415:
413:
412:Scott T. Ford
410:
407:
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401:
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297:
293:
291:
285:
280:
278:
273:
271:
266:
264:
260:
255:
253:
249:
245:
244:Speed Calling
241:
237:
228:
224:
222:
218:
214:
210:
206:
201:
199:
195:
191:
187:
183:
179:
171:
168:
164:
157:
156:AT&T Inc.
154:
151:
148:
145:
142:
141:American Bell
139:
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134:
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127:
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116:
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92:
88:
85:
81:
67:
63:
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53:
50:
47:
43:
39:
34:
19:
2662:expanding it
2655:
2609:expanding it
2598:
2583:
2255:Multiplexing
2130:Transmission
2095:Nikola Tesla
2085:Henry Sutton
2040:Samuel Morse
1970:Robert Hooke
1935:Amos Dolbear
1870:John Bardeen
1789:
1769:Telautograph
1673:Mobile phone
1628:Edholm's law
1611:social media
1544:Broadcasting
1367:
1114:Indiana Bell
1108:
1067:Wholly owned
933:Sponsorships
859:195 Broadway
536:
447:John Stankey
303:
292:SBC Illinois
287:
281:
276:
274:
267:
256:
236:Call waiting
233:
220:
202:
177:
176:
83:Headquarters
45:Company type
2712:Bell System
2455:NPL network
2167:Radio waves
2105:Alfred Vail
2015:Hedy Lamarr
2000:Dawon Kahng
1960:Elisha Gray
1920:Yogen Dalal
1845:Nasir Ahmed
1779:Teleprinter
1643:Heliographs
1452:Divestiture
1305:(1880-1975)
1303:Bell Canada
1009:Bell System
889:Telstar 302
360:Bell System
196:, formerly
149:(1899-1983)
143:(1881-1899)
99:Area served
2701:Categories
2501:Antarctica
2460:Toasternet
2382:Television
1865:Paul Baran
1797:Television
1781:(teletype)
1774:Telegraphy
1752:transistor
1730:Phryctoria
1700:Photophone
1678:Smartphone
1668:Mass media
1326:Historical
1271:Long Lines
672:facilities
658:Sky MĂ©xico
532:California
408:(Chairman)
109:Key people
49:Subsidiary
2485:Americas
2474:Locations
2445:Internet2
2206:Bandwidth
1910:Vint Cerf
1807:streaming
1785:Telephone
1725:Semaphore
1616:streaming
1255:Bell Labs
1149:Ohio Bell
869:611 Place
847:Bell Labs
786:Room 641A
562:Wisconsin
391:directors
282:In 2002,
265:company.
213:Ameritech
198:Ameritech
115:president
2553:Category
2440:Internet
2430:CYCLADES
2347:Ethernet
2297:Concepts
2221:terminal
2172:wireless
1995:Bob Kahn
1838:Pioneers
1663:Internet
1554:Cable TV
1280:Wireless
1248:Research
957:Category
594:FirstNet
547:Michigan
537:Illinois
389:Board of
344:AT&T
300:AT&T
192:through
190:AT&T
186:Illinois
184:serving
122:Products
91:Illinois
55:Industry
2601:Chicago
2573:Commons
2563:Outline
2516:Oceania
2435:FidoNet
2420:ARPANET
2233:circuit
1802:digital
1531:History
1379:Defunct
967:Commons
679:Current
660:(41.3%)
629:DirecTV
542:Indiana
399:Current
355:History
205:Chicago
180:is the
166:Website
87:Chicago
73: (
65:Founded
2511:Europe
2481:Africa
2465:Usenet
2425:BITNET
2362:Mobile
2238:packet
1747:MOSFET
1742:device
1539:Beacon
928:Venues
800:Former
791:TAT-14
653:UnefĂłn
619:Vyatta
552:Nevada
465:Former
367:People
263:Sprint
246:, and
133:Parent
2599:This
2494:South
2489:North
2450:JANET
2387:Telex
2377:Radio
2216:Nodes
2211:Links
2132:media
1710:Radio
1695:Pager
1623:Drums
1589:video
1584:image
1574:audio
918:Other
909:TAT-9
904:TAT-8
899:TAT-7
894:TAT-1
631:(70%)
449:(CEO)
306:d/b/a
302:, to
290:d/b/a
2658:stub
2605:stub
2506:Asia
2392:UUCP
2352:ISDN
557:Ohio
270:RBOC
261:, a
75:1881
68:1881
2397:WAN
2367:NGN
2357:LAN
1638:Fax
1579:DCT
284:SBC
2703::
310:.
279:.
242:,
238:,
223:.
200:.
89:,
2689:e
2682:t
2675:v
2664:.
2636:e
2629:t
2622:v
2611:.
2524:)
2520:(
1515:e
1508:t
1501:v
1001:e
994:t
987:v
336:e
329:t
322:v
117:)
77:)
20:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
