CHARLESTN — MA
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| OMNIPOINT MIAMI E LICENSE, LLC | 6889 | 5 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | 5 |
| ONVOY, LLC - MA | 892D | 4 |
| VERIZON NEW ENGLAND INC. | 9102 | 3 |
| BANDWIDTH.COM CLEC, LLC - MA | 990E | 2 |