Atlanta Time| City | Area Code | Dialing Code |
| Albany | 518 | +1 518 |
| Alpharetta | 404 | +1 404 |
| Americus | 229 | +1 229 |
| Athens | 762 | +1 762 |
| Atlanta | 404 | +1 404 |
| Augusta | 207 | +1 207 |
| Brunswick | 912 | +1 912 |
| Canton | 770 | +1 770 |
| Carrollton | 770 | +1 770 |
| Cartersville | 770 | +1 770 |
| Columbus | 614 | +1 614 |
| Dalton | 762 | +1 762 |
| Decatur | 404 | +1 404 |
| Dublin | 478 | +1 478 |
| Forest Park | 404 | +1 404 |
| Gainesville | 770 | +1 770 |
| Griffin | 770 | +1 770 |
| Hinesville | 912 | +1 912 |
| Macon | 478 | +1 478 |
| Marietta | 770 | +1 770 |
| Milledgeville | 478 | +1 478 |
| Newnan | 770 | +1 770 |
| Roswell | 770 | +1 770 |
| Savannah | 912 | +1 912 |
| Statesboro | 912 | +1 912 |
| Thomasville | 229 | +1 229 |
| Tifton | 229 | +1 229 |
| Union City | 510 | +1 510 |
| Valdosta | 229 | +1 229 |
| Warner Robins | 478 | +1 478 |
| Woodstock | 802 | +1 802 |