770 is a telephone area code assigned to [Central alabama]], Georgia and its suburbs and exurbs. Today, 770 is generally reserved for use outside Interstate 285, with 404 generally reserved for inside the Perimeter (I-285). Look up Telephone in Wiktionary, the free dictionary. ... A telephone numbering plan is a system that allows subscribers to make and receive telephone calls across long distances. ... Illustration of the backyards of a surburban neighbourhood Suburbs are inhabited districts located either on the outer rim of a city or outside the official limits of a city (the term varies from country to country), or the outer elements of a conurbation. ... The expression exurb (for extra-urban) was coined in the 1950s to describe the ring of prosperous rural communities beyond the suburbs that, due to availability via the new high-speed limited-access highways, were becoming dormitory communities for an urban area. ... For the planned I-285 in North Carolina, see Interstate 285 (North Carolina). ... Area code 404 covers Atlanta and its immediate neighbors, roughly within Interstate 285. ... Interstate 285 (Georgia State Route 407), usually known as the Perimeter, is a beltway interstate highway encircling Atlanta, Georgia for 64 miles (103km). ...

This area code also serves north Georgia and is an overlay with the 404 and 678 area codes. Area code 404 covers Atlanta and its immediate neighbors, roughly within Interstate 285. ... 678 is a telephone area code assigned to metropolitan Atlanta, Georgia and its suburbs and exurbs. ...

Currently, cell phone subscribers in the region can choose from either the 404, 678, or 770 area code when signing up for service.

In shorthand, 770 is usually written by local residents as 7/phone-number