SULPHUR — KY
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | 2 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - KY | 6500 | 2 |
| WIN.NET TELECOMMUNICATIONS, INC. - KY | 3583 | 1 |
| BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | 1 |