MADISON — GA
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| ONVOY, LLC - GA | 067D | 3 |
| BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | 3 |
| LEVEL 3 COMMUNICATIONS, LLC - GA | 6116 | 2 |
| NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | 2 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - GA | 6540 | 2 |