The state of Georgia, USA is currently served by a total of 10 area codes:
These Georgia area codes overlay (cover the same geographic area). The first code listed is the parent code. Overlay area codes are added when no more phone numbers are available in an existing Numbering Plan Area.
| City | County | Area Codes |
|---|---|---|
| Albany | Dougherty | 229 |
| Alpharetta | Fulton | 770, 678, 470, 943 |
| Athens | Clarke | 706, 762 |
| Atlanta | Fulton | 404, 678, 470, 943 |
| Augusta | Richmond | 706, 762 |
| Brookhaven | DeKalb | 404, 678, 470, 943 |
| Canton | Cherokee | 770, 678, 470, 943 |
| Columbus | Muscogee | 706, 762 |
| Dalton | Whitfield | 706, 762 |
| Douglasville | Douglas | 770, 678, 470, 943 |
| Dunwoody | DeKalb | 770, 678, 470, 943 |
| Gainesville | Hall | 770, 678, 470, 943 |
| Hinesville | Liberty | 912 |
| Johns Creek | Fulton | 770, 678, 470, 943 |
| Kennesaw | Cobb | 770, 678, 470, 943 |
| Lagrange | Troup | 706, 762 |
| Lawrenceville | Gwinnett | 770, 678, 470, 943 |
| Mableton | Cobb | 770, 678, 470, 943 |
| Macon | Bibb | 478 |
| Marietta | Cobb | 770, 678, 470, 943 |
| Newnan | Coweta | 770, 678, 470, 943 |
| Peachtree City | Fayette | 770, 678, 470, 943 |
| Peachtree Corners | Gwinnett | 770, 678, 470, 943 |
| Redan | Dekalb | 770, 678, 470, 943 |
| Rome | Floyd | 706, 762 |
| Roswell | Fulton | 770, 678, 470, 943 |
| Sandy Springs | Fulton | 404, 678, 470, 943 |
| Savannah | Chatham | 912 |
| Smyrna | Cobb | 770, 678, 470, 943 |
| Statesboro | Bulloch | 912 |
| Tucker | Dekalb | 770, 678, 470, 943 |
| Valdosta | Lowndes | 229 |
| Warner Robins | Houston | 478 |
| Woodstock | Cherokee | 770, 678, 470, 943 |