MOUNTAINCY — TN
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| SUNCOM DBA T-MOBILE USA | 8645 | 2 |
| SKYBEST COMMUNICATIONS, INC. - TN | 081J | 1 |
| BANDWIDTH.COM CLEC, LLC - TN | 124F | 1 |
| UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN | 4510 | 1 |
| NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | 1 |