Alpharetta, Georgia
Eastern Time Zone (UTC-5) · GA · —
678
2000
Atlanta
Georgia
Eastern
Overlay
770
1995
Marietta
Georgia
Eastern
Split
404
⬡ 1947
Atlanta
Georgia
Eastern
+2
470
2010
Atlanta
Georgia
Eastern
Overlay
About Area Codes in Alpharetta, Georgia
Alpharetta, Georgia is served by 4 area codes: 678, 770, 404, 470. When multiple area codes serve the same geographic area, it typically indicates overlay codes have been added to accommodate growing demand for phone numbers. All local calls within Alpharetta require 10-digit dialing. The city is in the Eastern time zone (UTC-5).
Other cities in area code 678
Frequently Asked Questions
What area code is Alpharetta, Georgia?
Alpharetta, Georgia uses area codes 678 and 770 and 404 and 470.
What time zone is Alpharetta in?
Alpharetta is in the Eastern time zone (UTC-5).
Do I need to dial 10 digits when calling Alpharetta?
Yes, all local calls in Alpharetta require 10-digit dialing because the area is served by multiple overlay area codes.
When was area code 678 created?
Area code 678 was established in 2000 as an overlay code, added to the same geographic region as an existing code to provide more phone numbers.
What cities share area code 678 with Alpharetta?
Other cities sharing area code 678 with Alpharetta include Atlanta, Brookhaven, Duluth, Dunwoody, Johns Creek, among others.
Alpharetta, GA · Eastern Time Zone