| General Information about Area Code 678 | |
|---|---|
| Country | United States |
| State / Province / Territory | Georgia |
| Major City | Atlanta |
| Time Zone | Eastern (UTC-05:00) |
| Prefix | Primary City | County | Phone Type |
|---|---|---|---|
| 678-960 | Flowery Branch | Hall | Landline |
| 678-625 | Covington | Newton | Landline |
| 678-399 | Atlanta | Fulton | Landline |
| 678-321 | Carrollton | Carroll | Landline |
| 678-713 | Atlanta | Dekalb | Landline |
| 678-454 | Ball Ground | Cherokee | Landline |
| 678-691 | Atlanta | Dekalb | Landline |
| 678-429 | Atlanta | Fulton | Landline |
| 678-536 | Atlanta | Fulton | Wireless |
| 678-715 | Douglasville | Douglas | Landline |
| 678-614 | Atlanta | Dekalb | Wireless |
| 678-562 | Conyers | Rockdale | Landline |
| 678-284 | Stockbridge | Henry | Landline |
| 678-290 | Marietta | Cobb | Landline |
| 678-224 | Marietta | Cobb | Landline |
| 678-207 | Gainesville | Hall | Landline |
| 678-531 | Atlanta | Dekalb | Landline |
| 678-985 | Lawrenceville | Gwinnett | Landline |
| 678-836 | Atlanta | Dekalb | Landline |
| 678-204 | - | - | - |