Learn about the 770 area code, including its location, cities, time zone, introduction date, and related area codes.
770 Area Code Details
Major Cities in the 770 Area Code
The 770 area code is associated with the following cities and communities:
- Alpharetta
- Atlanta
- College Park
- Douglasville
- Duluth
- Dunwoody
- Forest Park
- Gainesville
- Griffin
- Kennesaw
- Lawrenceville
- Mableton
- Marietta
- Peachtree City
- Redan
- Roswell
- Sandy Springs
- Smyrna
- Tucker
Counties Served by 770 Area Code
- Fulton County
- Cobb County
- Gwinnett County
Where Is Area Code 770 Located?
The 770 area code serves communities in Georgia. The exact communities and numbering assignments can change as telephone numbering resources are updated.
770 Area Code Time Zone
The 770 area code is associated with the Eastern time zone.
When Was 770 Area Code Introduced?
The 770 area code was introduced in 01-Aug-1995.
How to Call a 770 Area Code Number
For a call within the same numbering plan, dial the required local number according to your carrier’s dialing rules. For calls from outside the United States, use the United States country code (+1), followed by the area code and seven-digit telephone number.
Related Area Codes
770 Area Code FAQ
What state is 770 area code in?
The 770 area code is associated with Georgia.
What time zone is 770 area code in?
The 770 area code is associated with Eastern.
What cities use 770 area code?
Alpharetta|Atlanta|College Park|Douglasville|Duluth|Dunwoody|Forest Park|Gainesville|Griffin|Kennesaw|Lawrenceville|Mableton|Marietta|Peachtree City|Redan|Roswell|Sandy Springs|Smyrna|Tucker
More Questions About Area Code 770
What state is area code 770 in?
Area code 770 is associated with Georgia.
What time zone is area code 770 in?
The listed time zone for area code 770 is Eastern.