BIGFORK — MT
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK | 2249 | 1 |
| ONVOY, LLC - MT | 453F | 1 |
| CHARTER IP ENABLED SERVICES, LLC | 792K | 1 |
Data last updated: March 10, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK | 2249 | 1 |
| ONVOY, LLC - MT | 453F | 1 |
| CHARTER IP ENABLED SERVICES, LLC | 792K | 1 |