BERTRAM — TX
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| ONVOY, LLC - TX | 903C | 3 |
| BANDWIDTH.COM CLEC, LLC - TX | 004F | 1 |
| TELNYX LLC | 073H | 1 |
| FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 2154 | 1 |
| TON80 COMMUNICATIONS, LLC | 516J | 1 |