COLUMBIANA — OH
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| ONVOY, LLC - OH | 464C | 1 |
| T-MOBILE USA, INC. | 6529 | 1 |
| TELEPORT COMMUNICATIONS AMERICA, LLC - OH | 7532 | 1 |
| OHIO BELL TEL CO | 9321 | 1 |
| FRACTEL, LLC | 965H | 1 |
Data last updated: March 10, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| ONVOY, LLC - OH | 464C | 1 |
| T-MOBILE USA, INC. | 6529 | 1 |
| TELEPORT COMMUNICATIONS AMERICA, LLC - OH | 7532 | 1 |
| OHIO BELL TEL CO | 9321 | 1 |
| FRACTEL, LLC | 965H | 1 |