404
Covers Atlanta, Georgia
City facts
Sandy Springs area codes
Area codes for Atlanta, Georgia: history, overlays and how to dial.
404770678470943
Sandy Springs uses area codes 404, 770, 678, 470 and 943. Because more than one area code serves the same area, local calls need all ten digits.
About these area codes
770
Covers Georgia
In service since 1995
678
Covers Atlanta metropolitan area
Overlay with 470 and 943
470
Covers Atlanta metropolitan area
Overlay with 678 and 943
943
Covers Atlanta metropolitan area
Overlay with 678 and 470
How to call a number in Sandy Springs
Inside the US
1 (404) 555-0123Dial 1, the area code, then the seven-digit number.Local call
(404) 555-0123Overlay area: always include the area code.From outside the US
+1 404 555 0123Use your country's exit code or +, then 1 for the US.Sandy Springs is on Eastern Time (ET); check the time before calling from another zone.
Other cities that share these codes
Sandy Springs quick facts
Sandy Springs was incorporated in December 2005.
Incorporated2005December 2005
CountyFulton CountyGeorgia
Area codes404, 770, 678, 470and 1 morePopulation107,198Census ACS estimateZIP codes430327, 30328, 30342…Elevation1,093 ft333 m
Time zoneEastern TimeET
Dates, namesake and elevation from Wikipedia: Sandy Springs, Georgia and Wikidata (checked 2026-11-08); population and ZIP codes from the U.S. Census Bureau.
Questions
What area code is Sandy Springs?
Sandy Springs uses area codes 404, 770, 678, 470 and 943. Because more than one area code serves the same area, local calls need all ten digits.
When did area code 770 start?
Area code 770 dates from 1995.
Do I need to dial the area code for local calls in Sandy Springs?
Yes. 404, 770, 678, 470 and 943 share the same area as an overlay, so every local call needs the area code plus the seven-digit number (ten digits).
What time zone is area code 404 in?
Sandy Springs is on Eastern Time (ET).
What other cities use area code 404?
Other cities in this network that share 404, 770, 678, 470 and 943 include Roswell, Alpharetta, Johns Creek.
Sources: Area code 404, Area code 770, Area codes 678, 470, and 943, Area codes 678, 470, and 943, Area codes 678, 470, and 943 (Wikipedia) and Wikidata, checked 2026-11-08. Numbering plans change; the North American Numbering Plan Administrator is the official record.