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Marietta, GA is currently assigned three area codes 470, 678 and 770. Marietta, GA utilizes an area code
overlay in which area codes 470, 678 and 770 serve the same geographic area. Ten digit dialing (area code + seven digit number) is necessary in Marietta because two different homes in the same geographic
area can have the same seven digit phone number but each would have a different area code. The area code overlay which is in use in Marietta, GA today was put into service on February 10, 2010 when area code
470 was implemented. Area code 470 and 678 also overlays area code 404 in the Atlanta area.
In addition to Marietta, GA area codes 470, 678 and 770 serve the major communities of Alpharetta, Atlanta,
College Park, Douglasville, Duluth, Dunwoody, Forest Park, Gainesville, Griffin, Kennesaw, Lawrenceville, Mableton, North Atlanta, Peachtree City, Redan, Roswell, Sandy Springs, Smyrna and Tucker. All of
these communities including Marietta, Ga utilize the 470, 678 and 770 area code overlay. |
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