Arizona, Nevada, Utah
Area codes
7
Rate centres
128
Carriers
77
Prefix blocks
13,215
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.
77 carriers hold blocks here. The 25 largest are shown.
| Carrier | OCN | Blocks | Share |
|---|---|---|---|
| T-MOBILE USA, INC. | 6529 | 1,894 | 14.3% |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT | 6571 | 1,836 | 13.9% |
| NEW CINGULAR WIRELESS PCS, LLC | 6010 | 1,738 | 13.2% |
| ONVOY, LLC - UT | 871E | 1,642 | 12.4% |
| QWEST CORPORATION | 9636 | 1,179 | 8.9% |
| BANDWIDTH.COM CLEC, LLC - UT | 117F | 812 | 6.1% |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | 697 | 5.3% |
| LEVEL 3 COMMUNICATIONS, LLC - UT | 3231 | 382 | 2.9% |
| TELEPORT COMMUNICATIONS AMERICA, LLC - UT | 7530 | 364 | 2.8% |
| ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | 7176 | 350 | 2.6% |
| FIRSTDIGITAL TELECOM, LLC - UT | 5727 | 334 | 2.5% |
| COMCAST IP PHONE, LLC | 318J | 230 | 1.7% |
| METROPCS, INC. | 5562 | 219 | 1.7% |
| VERACITY COMMUNICATIONS, INC. - UT | 716D | 190 | 1.4% |
| ONVOY SPECTRUM, LLC | 624H | 173 | 1.3% |
| PEERLESS NETWORK OF UTAH, LLC - UT | 526H | 124 | 0.9% |
| TELNYX LLC | 073H | 98 | 0.7% |
| PAETEC ITEL, LLC | 829J | 87 | 0.7% |
| CITIZENS TELECOM-UTAH DBA FRONTIER COMM OF UT | 4429 | 75 | 0.6% |
| FRACTEL, LLC | 965H | 70 | 0.5% |
| SOUTH CENTRAL UTAH TEL. ASSN., INC. | 2286 | 62 | 0.5% |
| TERRA NOVA TELECOM INC. | 145J | 58 | 0.4% |
| TON80 COMMUNICATIONS, LLC | 516J | 57 | 0.4% |
| CENTURYLINK COMMUNICATIONS, LLC | 508J | 51 | 0.4% |
| COMMIO, LLC | 939H | 50 | 0.4% |
128 rate centres. search them all.