KINGSPORT — TN
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN | 4510 | 13 |
| METROPCS, INC. | 5562 | 6 |
| NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | 3 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | 6673 | 3 |
| TELEPORT COMMUNICATIONS AMERICA, LLC - TN | 114F | 1 |