CHARLESTN — IN
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | 2 |
| ONVOY, LLC - IN | 097D | 1 |
| TERRA NOVA TELECOM INC. | 145J | 1 |
| AT&T ENTERPRISES, LLC | 516C | 1 |
| TELEPORT COMMUNICATIONS AMERICA, LLC - IN | 7314 | 1 |