ORANGEBURG — SC
Data last updated: August 31, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | 20 |
| BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | 10 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC | 6398 | 7 |
| ONVOY, LLC - SC | 548E | 3 |
| TWC IP ENABLED SERVICES, LLC | 793K | 3 |