AUSTIN — TX
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| SOUTHWESTERN BELL | 9533 | 245 |
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 101 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | 58 |
| T-MOBILE USA, INC. | 6529 | 51 |
| LEVEL 3 OF TELECOM OF TEXAS, LLC - TX | 7516 | 44 |