Montana, North Dakota, Wyoming
Area codes
3
Rate centres
124
Carriers
59
Prefix blocks
2,371
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 |
|---|---|---|---|
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT | 6564 | 388 | 16.4% |
| ONVOY, LLC - MT | 453F | 342 | 14.4% |
| QWEST CORPORATION | 9636 | 238 | 10.0% |
| BANDWIDTH.COM CLEC, LLC - MT | 994E | 181 | 7.6% |
| NEW CINGULAR WIRELESS PCS, LLC | 6010 | 167 | 7.0% |
| LEVEL 3 COMMUNICATIONS, LLC - MT | 9415 | 97 | 4.1% |
| MID-RIVERS TEL. COOP., INC. | 2246 | 86 | 3.6% |
| NEMONT TEL COOP INC | 2247 | 82 | 3.5% |
| TERRA NOVA TELECOM INC. | 145J | 79 | 3.3% |
| T-MOBILE USA, INC. | 6529 | 75 | 3.2% |
| CHARTER IP ENABLED SERVICES, LLC | 792K | 48 | 2.0% |
| ONVOY SPECTRUM, LLC | 624H | 45 | 1.9% |
| TELNYX LLC | 073H | 45 | 1.9% |
| PROJECT TEL. CO., INC. | 2250 | 44 | 1.9% |
| RANGE TEL COOP INC | 2251 | 39 | 1.6% |
| ONVOY, LLC - WY | 450F | 36 | 1.5% |
| SAGEBRUSH CELLULAR, INC. | 443B | 35 | 1.5% |
| CENTURYLINK COMMUNICATIONS, LLC | 508J | 32 | 1.3% |
| ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | 4222 | 28 | 1.2% |
| AIRUS, INC. - MT | 588H | 26 | 1.1% |
| MID-RIVERS TELEPHONE COOPERATIVE, INC. | 7830 | 25 | 1.1% |
| ONVOY, LLC - ND | 452F | 21 | 0.9% |
| 3 RIVERS TEL. COOP., INC. | 2255 | 20 | 0.8% |
| COMMIO, LLC | 939H | 18 | 0.8% |
| TELEPORT COMMUNICATIONS AMERICA MT - LLC | 771G | 18 | 0.8% |
124 rate centres. search them all.