Dunwoody, Georgia Area Code
Dunwoody, GA is officially utilizing an area code overlay in which area codes 470, 678, 770 and 943 serve the same geographic area. Ten digit dialing (area code + seven digit number) is necessary.
In addition to Dunwoody, GA area code information read more about area codes 470, 678, 770 and 943 details and Georgia area codes.
Dunwoody, GA is located in DeKalb County and observes the Eastern Time Zone. View our Times by Area Code tool.