Locations for Area Code - 770

Area code 770 serves the suburban ring around Atlanta, Georgia, including cities like Marietta, Roswell, Alpharetta, and Duluth. Created in 1995 as a split from 404, it now shares coverage with overlay code 678. The region includes affluent residential areas, technology parks, and booming commercial developments. Known for strong ties to Atlanta’s economy, area code 770 represents a blend of suburban comfort and metropolitan energy. Ten-digit dialing is required. The code is often used in local branding to signal proximity to Atlanta while maintaining a distinct suburban identity.