| 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 |
|---|---|---|---|
| 678-656 | Roswell | Fulton | Landline |
| 678-308 | Barnesville | Lamar | Landline |
| 678-823 | Atlanta | Dekalb | Landline |
| 678-672 | Atlanta | Dekalb | Landline |
| 678-710 | Decatur | Dekalb | Landline |
| 678-871 | Social Circle | Walton | Landline |
| 678-818 | Jonesboro | Clayton | Landline |
| 678-585 | Atlanta | Dekalb | Landline |
| 678-810 | Atlanta | Fulton | Landline |
| 678-223 | Marietta | Cobb | Landline |
| 678-486 | Marietta | Cobb | Landline |
| 678-612 | Atlanta | Fulton | Wireless |
| 678-330 | Duluth | Gwinnett | Landline |
| 678-722 | Atlanta | Dekalb | Landline |
| 678-384 | Marietta | Cobb | Landline |
| 678-628 | Atlanta | Dekalb | Landline |
| 678-589 | Atlanta | Fulton | Landline |
| 678-727 | Atlanta | Dekalb | Landline |
| 678-285 | Marietta | Cobb | Landline |
| 678-755 | Cumming | Forsyth | Wireless |