WINNSBORO — SC
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | 4 |
| FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - SC | 4335 | 3 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC | 6398 | 2 |
| TON80 COMMUNICATIONS, LLC | 516J | 1 |
| ONVOY SPECTRUM, LLC | 624H | 1 |