| 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 |
|---|---|---|---|
| 678-775 | Atlanta | Fulton | Landline |
| 678-366 | Atlanta | Dekalb | Landline |
| 678-642 | Atlanta | Fulton | Landline |
| 678-376 | Lawrenceville | Gwinnett | Landline |
| 678-307 | Atlanta | Fulton | Landline |
| 678-501 | Marietta | Cobb | Landline |
| 678-242 | Atlanta | Dekalb | Landline |
| 678-981 | Marietta | Cobb | Landline |
| 678-738 | Marietta | Cobb | Landline |
| 678-671 | Atlanta | Dekalb | Landline |
| 678-599 | Tallapoosa | Haralson | Wireless |
| 678-965 | Cumming | Forsyth | Landline |
| 678-603 | Griffin | Spalding | Wireless |
| 678-840 | Villa Rica | Carroll | Landline |
| 678-524 | Roswell | Fulton | Landline |
| 678-733 | Atlanta | Fulton | Wireless |
| 678-483 | Atlanta | Fulton | Landline |
| 678-586 | Jonesboro | Clayton | Landline |
| 678-368 | Atlanta | Dekalb | Landline |
| 678-297 | Atlanta | Dekalb | Landline |