PIEDMONT — SC
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| BANDWIDTH.COM CLEC, LLC - SC | 077F | 1 |
| SOUTH CAROLINA NET, INC. - SC | 1784 | 1 |
| AT&T ENTERPRISES, LLC | 516C | 1 |
| ONVOY, LLC - SC | 548E | 1 |
| METROPCS, INC. | 5562 | 1 |
Data last updated: June 25, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| BANDWIDTH.COM CLEC, LLC - SC | 077F | 1 |
| SOUTH CAROLINA NET, INC. - SC | 1784 | 1 |
| AT&T ENTERPRISES, LLC | 516C | 1 |
| ONVOY, LLC - SC | 548E | 1 |
| METROPCS, INC. | 5562 | 1 |