TREMONTON — UT
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| CITIZENS TELECOM-UTAH DBA FRONTIER COMM OF UT | 4429 | 2 |
| NEW CINGULAR WIRELESS PCS, LLC | 6010 | 1 |
| T-MOBILE USA, INC. | 6529 | 1 |
| FRACTEL, LLC | 965H | 1 |
Data last updated: March 10, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| CITIZENS TELECOM-UTAH DBA FRONTIER COMM OF UT | 4429 | 2 |
| NEW CINGULAR WIRELESS PCS, LLC | 6010 | 1 |
| T-MOBILE USA, INC. | 6529 | 1 |
| FRACTEL, LLC | 965H | 1 |