| 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 |
|---|---|---|---|
| 678-593 | Jonesboro | Clayton | Landline |
| 678-899 | Adairsville | Bartow | Landline |
| 678-322 | Marietta | Cobb | Landline |
| 678-402 | Marietta | Cobb | Landline |
| 678-626 | Marietta | Cobb | Landline |
| 678-530 | Atlanta | Dekalb | Landline |
| 678-513 | Cumming | Forsyth | Landline |
| 678-495 | Atlanta | Dekalb | Landline |
| 678-805 | Atlanta | Dekalb | Landline |
| 678-390 | Carrollton | Carroll | Landline |
| 678-919 | Marietta | Cobb | Landline |
| 678-703 | Marietta | Cobb | Landline |
| 678-679 | Cumming | Forsyth | Landline |
| 678-451 | Atlanta | Dekalb | Landline |
| 678-296 | Atlanta | Dekalb | Landline |
| 678-571 | Atlanta | Dekalb | Landline |
| 678-906 | Atlanta | Dekalb | Landline |
| 678-995 | Atlanta | Dekalb | Landline |
| 678-228 | Jonesboro | Clayton | Landline |
| 678-661 | Bogart | Oconee | Wireless |