FENTRESS — TX
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| ONVOY, LLC - TX | 903C | 2 |
| FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 2154 | 1 |
Data last updated: March 10, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| ONVOY, LLC - TX | 903C | 2 |
| FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 2154 | 1 |