AMARILLO — TX
Data last updated: August 31, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| SOUTHWESTERN BELL | 9533 | 39 |
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 12 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | 11 |
| T-MOBILE USA, INC. | 6529 | 6 |
| AMA COMM., LLC DBA AMA*TECHTEL COMMUNICATIONS-TX | 0132 | 4 |