COLUMBIA — TN
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | 7 |
| NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | 6 |
| LEVEL 3 COMMUNICATIONS, LLC - TN | 4806 | 4 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | 6673 | 3 |
| PAETEC ITEL, LLC | 829J | 3 |