MOUNTVILLE — SC
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| BRIGHTSPEED OF SOUTH CAROLINA, LLC | 0506 | 1 |
| TON80 COMMUNICATIONS, LLC | 516J | 1 |
| SUNCOM DBA T-MOBILE USA | 8645 | 1 |
Data last updated: March 10, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| BRIGHTSPEED OF SOUTH CAROLINA, LLC | 0506 | 1 |
| TON80 COMMUNICATIONS, LLC | 516J | 1 |
| SUNCOM DBA T-MOBILE USA | 8645 | 1 |