SIMPSONVL — SC
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - SC | 0526 | 5 |
| ONVOY, LLC - SC | 548E | 2 |
| ONVOY SPECTRUM, LLC | 624H | 2 |
| PAETEC ITEL, LLC | 829J | 2 |
| LEVEL 3 COMMUNICATIONS, LLC - SC | 5258 | 1 |