LANDRUM — SC
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| WINDSTREAM SOUTH CAROLINA, INC. | 0517 | 2 |
| LEVEL 3 COMMUNICATIONS, LLC - SC | 5258 | 1 |
| ONVOY, LLC - SC | 548E | 1 |
Data last updated: June 25, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| WINDSTREAM SOUTH CAROLINA, INC. | 0517 | 2 |
| LEVEL 3 COMMUNICATIONS, LLC - SC | 5258 | 1 |
| ONVOY, LLC - SC | 548E | 1 |