Colorado, Idaho, Montana, South Dakota, Utah, Wyoming
Area codes
7
Rate centres
92
Carriers
59
Prefix blocks
2,656
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.
59 carriers hold blocks here. The 25 largest are shown.
| Carrier | OCN | Blocks | Share |
|---|---|---|---|
| ONVOY, LLC - WY | 450F | 501 | 18.9% |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY | 6566 | 344 | 13.0% |
| NEW CINGULAR WIRELESS PCS, LLC | 6010 | 301 | 11.3% |
| QWEST CORPORATION | 9636 | 267 | 10.1% |
| BANDWIDTH.COM CLEC, LLC - WY | 081F | 177 | 6.7% |
| LEVEL 3 COMMUNICATIONS, LLC - WY | 9416 | 140 | 5.3% |
| T-MOBILE USA, INC. | 6529 | 135 | 5.1% |
| UNION TELEPHONE COMPANY | 013B | 65 | 2.4% |
| CHARTER IP ENABLED SERVICES, LLC | 792K | 63 | 2.4% |
| ONVOY SPECTRUM, LLC | 624H | 62 | 2.3% |
| CENTURYTEL OF WYOMING, INC. DBA CENTURYLINK | 2299 | 51 | 1.9% |
| AIRUS, INC. - WY | 581H | 45 | 1.7% |
| COMMIO, LLC | 939H | 40 | 1.5% |
| CENTURYLINK COMMUNICATIONS, LLC | 508J | 37 | 1.4% |
| RT COMMUNICATIONS | 3410 | 36 | 1.4% |
| TERRA NOVA TELECOM INC. | 145J | 36 | 1.4% |
| TELNYX LLC | 073H | 35 | 1.3% |
| TELEPORT COMMUNICATIONS AMERICA WY-LLC | 879G | 30 | 1.1% |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | 26 | 1.0% |
| ONVOY, LLC - CO | 026D | 21 | 0.8% |
| ADVANCED COMMUNICATIONS TECHNOLOGY, INC. - WY | 268A | 18 | 0.7% |
| TRI-COUNTY TEL. ASSN., INC. | 2296 | 18 | 0.7% |
| ONVOY, LLC - MT | 453F | 16 | 0.6% |
| UNION TEL. CO. | 2297 | 15 | 0.6% |
| RANGE TEL COOP INC | 2251 | 14 | 0.5% |
92 rate centres. search them all.