SULPHUR — LA
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | 5 |
| NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | 4 |
| LEVEL 3 COMMUNICATIONS, LLC - LA | 3232 | 2 |
| TON80 COMMUNICATIONS, LLC | 516J | 1 |
| METROPCS, INC. | 5562 | 1 |