SULPHURSPG — TX
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | 4344 | 4 |
| NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | 3 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | 2 |
| FRACTEL, LLC | 965H | 2 |
| PEOPLES COMMUNICATION, INC. -TX | 135H | 1 |