WINDOM — TX
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 2154 | 1 |
| LEVEL 3 COMMUNICATIONS, LLC - TX | 6114 | 1 |
| MATRIX TELECOM, LLC. S/I/I TNCI - TX | 7715 | 1 |
| FRACTEL, LLC | 965H | 1 |