| General Information about Area Code 770 | |
|---|---|
| Country | United States |
| State / Province / Territory | Georgia |
| Major City | Atlanta |
| Time Zone | Eastern (UTC-05:00) |
| Prefix | Primary City | County | Phone Type |
|---|---|---|---|
| 770-445 | Dallas | Paulding | Landline |
| 770-855 | Atlanta | Dekalb | Wireless |
| 770-535 | Gainesville | Hall | Landline |
| 770-528 | Marietta | Cobb | Landline |
| 770-730 | Atlanta | Dekalb | Landline |
| 770-904 | Buford | Gwinnett | Landline |
| 770-878 | Adairsville | Bartow | Landline |
| 770-331 | Atlanta | Dekalb | Landline |
| 770-909 | Atlanta | Fulton | Landline |
| 770-379 | Atlanta | Dekalb | Landline |
| 770-919 | Marietta | Cobb | Landline |
| 770-252 | Newnan | Coweta | Landline |
| 770-278 | Conyers | Rockdale | Landline |
| 770-998 | Atlanta | Dekalb | Landline |
| 770-857 | Atlanta | Fulton | Landline |
| 770-380 | Atlanta | Dekalb | Wireless |
| 770-200 | Marietta | Cobb | Landline |
| 770-859 | Atlanta | Fulton | Landline |
| 770-933 | Atlanta | Fulton | Landline |
| 770-812 | Atlanta | Fulton | Landline |