| 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 |
|---|---|---|---|
| 678-382 | Atlanta | Dekalb | Landline |
| 678-887 | Marietta | Cobb | Wireless |
| 678-370 | Marietta | Cobb | Landline |
| 678-741 | Marietta | Cobb | Landline |
| 678-763 | Jonesboro | Clayton | Wireless |
| 678-893 | Atlanta | Dekalb | Landline |
| 678-554 | Jonesboro | Clayton | Landline |
| 678-240 | Atlanta | Dekalb | Landline |
| 678-273 | Marietta | Cobb | Landline |
| 678-498 | Marietta | Cobb | Landline |
| 678-457 | Atlanta | Dekalb | Landline |
| 678-253 | Conyers | Rockdale | Landline |
| 678-947 | Cumming | Forsyth | Landline |
| 678-643 | Atlanta | Fulton | Wireless |
| 678-316 | Atlanta | Dekalb | Wireless |
| 678-635 | Monroe | Walton | Wireless |
| 678-245 | Atlanta | Dekalb | Landline |
| 678-616 | Clermont | Hall | Wireless |
| 678-392 | Atlanta | Dekalb | Landline |
| 678-754 | Newnan | Coweta | Wireless |