North Carolina
Area codes
1
Rate centres
42
Carriers
47
Prefix blocks
2,794
A Local Access and Transport Area is the region a call is routed within before it becomes long-haul. The boundaries were drawn when the Bell System was broken up in 1984: a local carrier could carry a call inside its LATA, and a long-distance carrier had to take it across one. The division still shapes how calls are routed and rated today, which is why every prefix block on this site carries a LATA.
47 carriers hold blocks here. The 25 largest are shown.
| Carrier | OCN | Blocks | Share |
|---|---|---|---|
| ONVOY, LLC - NC | 638E | 390 | 14.0% |
| NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | 385 | 13.8% |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | 6324 | 287 | 10.3% |
| FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC | 0509 | 196 | 7.0% |
| BANDWIDTH.COM CLEC, LLC - NC | 998E | 191 | 6.8% |
| UNITED STATES CELLULAR - NC | 6282 | 178 | 6.4% |
| BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | 173 | 6.2% |
| SUNCOM DBA T-MOBILE USA | 8645 | 144 | 5.2% |
| LEVEL 3 COMMUNICATIONS, LLC - NC | 3235 | 123 | 4.4% |
| PAETEC ITEL, LLC | 829J | 111 | 4.0% |
| CHARTER IP ENABLED SERVICES, LLC | 792K | 84 | 3.0% |
| ONVOY SPECTRUM, LLC | 624H | 82 | 2.9% |
| TELEPORT COMMUNICATIONS AMERICA, LLC - NC | 8389 | 79 | 2.8% |
| COMMIO, LLC | 939H | 57 | 2.0% |
| METROPCS, INC. | 5562 | 53 | 1.9% |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NC | 7835 | 30 | 1.1% |
| TERRA NOVA TELECOM INC. | 145J | 29 | 1.0% |
| AT&T CORP. | 516C | 21 | 0.8% |
| CSC VOICE, LLC | 612K | 19 | 0.7% |
| TELNYX LLC | 073H | 19 | 0.7% |
| IP HORIZON LLC | 515J | 14 | 0.5% |
| VONAGE AMERICA LLC | 197D | 13 | 0.5% |
| BALSAMWEST FIBERNET, LLC - NC | 801D | 12 | 0.4% |
| BOOST SUBSCRIBERCO L.L.C. | 490J | 11 | 0.4% |
| EON TELECOM, INC. | 839J | 11 | 0.4% |
42 rate centres. search them all.