California, Nevada, Oregon
Area codes
3
Rate centres
79
Carriers
55
Prefix blocks
3,421
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.
55 carriers hold blocks here. The 25 largest are shown.
| Carrier | OCN | Blocks | Share |
|---|---|---|---|
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NV | 6458 | 438 | 12.8% |
| ONVOY, LLC - NV | 029F | 414 | 12.1% |
| NEW CINGULAR WIRELESS PCS, LLC | 6010 | 391 | 11.4% |
| NEVADA BELL | 9742 | 385 | 11.3% |
| T-MOBILE USA, INC. | 6529 | 355 | 10.4% |
| BANDWIDTH.COM CLEC, LLC - NV | 075F | 235 | 6.9% |
| LEVEL 3 COMMUNICATIONS, LLC - NV | 4805 | 201 | 5.9% |
| CHARTER IP ENABLED SERVICES, LLC | 792K | 81 | 2.4% |
| ONVOY SPECTRUM, LLC | 624H | 70 | 2.0% |
| TELNYX LLC | 073H | 67 | 2.0% |
| FRONTIER COMMUNICATIONS OF THE SOUTHWEST INC. - NV | 4421 | 63 | 1.8% |
| COMMIO, LLC | 939H | 62 | 1.8% |
| CENTURYLINK COMMUNICATIONS, LLC | 508J | 50 | 1.5% |
| TERRA NOVA TELECOM INC. | 145J | 50 | 1.5% |
| TELEPORT COMMUNICATIONS AMERICA, LLC - NV | 587C | 49 | 1.4% |
| AT&T CORP. | 516C | 45 | 1.3% |
| CITIZENS TELECOMM CO OF NV DBA FRONTIER COMM OF NV | 2354 | 42 | 1.2% |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NV | 7376 | 40 | 1.2% |
| METROPCS, INC. | 5562 | 39 | 1.1% |
| UTILITY TELECOM GROUP, LLC - NV | 811D | 38 | 1.1% |
| U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 671J | 36 | 1.1% |
| ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | 187G | 31 | 0.9% |
| TON80 COMMUNICATIONS, LLC | 516J | 31 | 0.9% |
| IP HORIZON LLC | 515J | 29 | 0.8% |
| FRACTEL, LLC | 965H | 23 | 0.7% |
79 rate centres. search them all.