| 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 |
|---|---|---|---|
| 678-835 | Buford | Gwinnett | Landline |
| 678-473 | Duluth | Gwinnett | Landline |
| 678-279 | Marietta | Cobb | Landline |
| 678-677 | Gainesville | Hall | Wireless |
| 678-522 | Roswell | Fulton | Landline |
| 678-472 | Atlanta | Dekalb | Landline |
| 678-704 | Clarkston | Dekalb | Landline |
| 678-362 | Atlanta | Fulton | Wireless |
| 678-476 | Stone Mountain | Dekalb | Landline |
| 678-450 | Gainesville | Hall | Landline |
| 678-379 | Jonesboro | Clayton | Landline |
| 678-837 | Atlanta | Dekalb | Landline |
| 678-249 | Atlanta | Dekalb | Landline |
| 678-265 | Marietta | Cobb | Landline |
| 678-244 | Atlanta | Fulton | Landline |
| 678-250 | Atlanta | Dekalb | Landline |
| 678-682 | Atlanta | Dekalb | Landline |
| 678-967 | Griffin | Spalding | Landline |
| 678-832 | Atlanta | Dekalb | Landline |
| 678-802 | Atlanta | Dekalb | Landline |