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carrier, commonly called a local telephone exchange carrier. Local calls are usually defined by connections made without additional charge whether the connected call is in the same LATA or connects to another LATA with no charge. IntraLATA usually refers to rated or toll calls between LATA within
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When CICs were first introduced in 1983, they were only three digits long, and the CAC consisted of the digits 10 followed by the three-digit CIC. In 1998, the CIC had to be extended to four digits. Existing carriers' codes were prefixed with 10. Thus, a pre-1998 CAC of the form 10-XXX became
240:. Telephone exchanges are identified in the United States by the three-digit area code (NPA) and the central office prefix, which is the first three digits of the local telephone number (NPA-NXX). Different exchanges, or central offices, generally serve different geographic areas.
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101-0XXX. Since the CACs starting with 10-10 are generally the oldest and best-known ones, CACs are sometimes referred to as
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283:. The interexchange carrier to which calls from a subscriber line are routed by default is known as the
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Each carrier (interexchange or local exchange) is assigned a four-digit identification code, the
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FCC FAQ - Carrier
Identification Codes (CICs) and Seven-Digit Carrier Access Code (CAC) Dialing
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state boundaries, as opposed to interstate, or calls between LATAs in different states.
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For voice traffic transfer, IXCs use Tandem switches and SS7 signaling or
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219:. It is defined as any carrier that provides services across multiple
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211:), in U.S. legal and regulatory terminology, is a type of
236:An interexchange carrier handles traffic between
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302:In popular usage, CACs are often referred to as
259:, computer to computer, computer to phone, and
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427:
1442:Global telecommunications regulation bodies
64:Learn how and when to remove these messages
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434:
420:
191:Learn how and when to remove this message
121:Learn how and when to remove this message
360:. IXC. 19 September 2012. Archived from
152:: vague phrasing that often accompanies
84:This article includes a list of general
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441:
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255:can thereby connect between VoIP to
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285:presubscribed interexchange carrier
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310:the PIC, not to use its services.
90:it lacks sufficient corresponding
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263:devices to other phone services.
45:This article has multiple issues.
27:Type of telecommunication company
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1477:
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1077:Free-space optical communication
231:
221:local access and transport areas
137:
75:
34:
358:"About Softswitches in general"
251:protocols and error correction
217:long-distance telephone company
53:or discuss these issues on the
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350:
13:
1:
407:http://www.nationalnanpa.com/
343:
1519:Telecommunications companies
1463:Telecommunication portal
1244:Telecommunications equipment
7:
980:Alexander Stepanovich Popov
321:
273:carrier identification code
267:Carrier identification code
215:company, commonly called a
10:
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684:Telecommunications history
164:Such statements should be
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1393:
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1292:Public Switched Telephone
1252:
1216:
1173:
1114:
1104:telecommunication circuit
1065:Fiber-optic communication
1048:
810:Francis Blake (telephone)
757:
605:Optical telecommunication
449:
1203:Orbital angular-momentum
640:Satellite communications
479:Communications satellite
1082:Molecular communication
905:Gardiner Greene Hubbard
734:Undersea telegraph line
469:Cable protection system
105:more precise citations.
1224:Communication protocol
1010:Charles Sumner Tainter
825:Walter Houser Brattain
770:Edwin Howard Armstrong
578:Information revolution
279:) which was used with
1198:Polarization-division
930:Narinder Singh Kapany
895:Erna Schneider Hoover
815:Jagadish Chandra Bose
795:Alexander Graham Bell
526:online video platform
333:Long-distance calling
205:interexchange carrier
18:Long distance carrier
1040:Vladimir K. Zworykin
1000:Almon Brown Strowger
970:Charles Grafton Page
625:Prepaid mobile phone
553:Electrical telegraph
293:carrier access codes
166:clarified or removed
990:Johann Philipp Reis
749:Wireless revolution
711:The Telephone Cases
568:Hydraulic telegraph
328:10-10-321/10-10-220
238:telephone exchanges
1188:Frequency-division
1165:Telephone exchange
1035:Charles Wheatstone
965:Jun-ichi Nishizawa
940:Innocenzo Manzetti
875:Reginald Fessenden
610:Optical telegraphy
443:Telecommunications
338:Telephone slamming
1501:
1500:
1239:Store and forward
1234:Data transmission
1148:Network switching
1099:Transmission line
945:Guglielmo Marconi
910:Internet pioneers
775:Mohamed M. Atalla
744:Whistled language
364:on 17 August 2012
304:dial-around codes
261:Internet Protocol
213:telecommunication
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16:(Redirected from
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1332:Notable networks
1322:Wireless network
1262:Cellular network
1254:Types of network
1229:Computer network
1116:Network topology
1030:Thomas A. Watson
885:Oliver Heaviside
870:Philo Farnsworth
845:Daniel Davis Jr.
820:Charles Bourseul
780:John Logie Baird
489:Data compression
484:Computer network
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401:External links
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1193:Time-division
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1119:and switching
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1070:optical fiber
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1060:Coaxial cable
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975:Radia Perlman
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865:Lee de Forest
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860:Thomas Edison
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850:Donald Davies
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835:Claude Chappe
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679:Smoke signals
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657:Semiconductor
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516:Digital media
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146:This article
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46:
41:
32:
31:
19:
1175:Multiplexing
1050:Transmission
1015:Nikola Tesla
1005:Henry Sutton
960:Samuel Morse
890:Robert Hooke
855:Amos Dolbear
790:John Bardeen
709:
689:Telautograph
593:Mobile phone
548:Edholm's law
531:social media
464:Broadcasting
378:
368:19 September
366:. Retrieved
362:the original
352:
315:
312:
307:
303:
301:
296:
292:
288:
284:
276:
272:
270:
245:softswitches
242:
235:
216:
208:
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202:
187:
174:October 2012
171:
158:unverifiable
150:weasel words
147:
117:
108:
89:
61:
54:
48:
47:Please help
44:
1375:NPL network
1087:Radio waves
1025:Alfred Vail
935:Hedy Lamarr
920:Dawon Kahng
880:Elisha Gray
840:Yogen Dalal
765:Nasir Ahmed
699:Teleprinter
563:Heliographs
316:10-10 codes
160:information
103:introducing
1508:Categories
1421:Antarctica
1380:Toasternet
1302:Television
785:Paul Baran
717:Television
701:(teletype)
694:Telegraphy
672:transistor
650:Phryctoria
620:Photophone
598:Smartphone
588:Mass media
344:References
86:references
50:improve it
1514:Telephony
1405:Americas
1394:Locations
1365:Internet2
1126:Bandwidth
830:Vint Cerf
727:streaming
705:Telephone
645:Semaphore
536:streaming
384:FCC's FAQ
225:intraLATA
148:contains
56:talk page
1473:Category
1360:Internet
1350:CYCLADES
1267:Ethernet
1217:Concepts
1141:terminal
1092:wireless
915:Bob Kahn
758:Pioneers
583:Internet
474:Cable TV
382:See the
322:See also
111:May 2009
1493:Commons
1483:Outline
1436:Oceania
1355:FidoNet
1340:ARPANET
1153:circuit
722:digital
451:History
99:improve
1431:Europe
1401:Africa
1385:Usenet
1345:BITNET
1282:Mobile
1158:packet
667:MOSFET
662:device
459:Beacon
154:biased
88:, but
1414:South
1409:North
1370:JANET
1307:Telex
1297:Radio
1136:Nodes
1131:Links
1052:media
630:Radio
615:Pager
543:Drums
509:video
504:image
494:audio
308:avoid
253:ITSPs
1426:Asia
1312:UUCP
1272:ISDN
370:2012
257:POTS
249:VoIP
247:and
1317:WAN
1287:NGN
1277:LAN
558:Fax
499:DCT
297:CAC
289:PIC
277:CIC
209:IXC
203:An
156:or
1510::
318:.
59:.
1444:)
1440:(
435:e
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421:v
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62:(
20:)
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