JOHNSONVL — SC
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - SC | 4335 | 3 |
| FTC DIVERSIFIED SERVICES, INC. | 4255 | 1 |
| ONVOY SPECTRUM, LLC | 624H | 1 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC | 6398 | 1 |
| PAETEC ITEL, LLC | 829J | 1 |