| 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 |
|---|---|---|---|
| 678-730 | Buford | Gwinnett | Landline |
| 678-729 | Covington | Newton | Landline |
| 678-788 | Jonesboro | Clayton | Landline |
| 678-406 | Atlanta | Dekalb | Landline |
| 678-646 | Atlanta | Dekalb | Landline |
| 678-897 | Gainesville | Hall | Wireless |
| 678-692 | Griffin | Spalding | Landline |
| 678-816 | Atlanta | Fulton | Landline |
| 678-539 | Atlanta | Fulton | Landline |
| 678-804 | Buford | Gwinnett | Landline |
| 678-673 | Newnan | Coweta | Wireless |
| 678-777 | Roswell | Fulton | Landline |
| 678-801 | Atlanta | Fulton | Landline |
| 678-505 | Marietta | Cobb | Landline |
| 678-274 | Atlanta | Dekalb | Landline |
| 678-360 | Roswell | Fulton | Landline |
| 678-343 | Gainesville | Hall | Landline |
| 678-396 | Atlanta | Fulton | Landline |
| 678-651 | Atlanta | Fulton | Landline |
| 678-208 | Cumming | Forsyth | Landline |