KALISPELL — MT
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT | 6564 | 8 |
| CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK | 2249 | 6 |
| NEW CINGULAR WIRELESS PCS, LLC | 6010 | 6 |
| CHARTER IP ENABLED SERVICES, LLC | 792K | 3 |
| BOOST SUBSCRIBERCO L.L.C. | 490J | 1 |