WALHALLA — SC
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | 2 |
| TON80 COMMUNICATIONS, LLC | 516J | 1 |
| LEVEL 3 COMMUNICATIONS, LLC - SC | 5258 | 1 |
| ONVOY, LLC - SC | 548E | 1 |
| ONVOY SPECTRUM, LLC | 624H | 1 |