CARRIZOSPG — TX
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| PEERLESS NETWORK OF TEXAS, LLC - TX | 177F | 2 |
| T-MOBILE USA, INC. | 6529 | 2 |
| LEVEL 3 COMMUNICATIONS, LLC - TX | 6114 | 1 |
| TWC IP ENABLED SERVICES, LLC | 793K | 1 |
| SOUTHWESTERN BELL | 9533 | 1 |