Area Code 770
Georgia
Geographic Coverage
State
GA
Major Cities
- Atlanta
- South Fulton
- Sandy Springs
- Roswell
- Johns Creek
- Alpharetta
- Marietta
- Stonecrest
- Brookhaven
- Smyrna
- Dunwoody
- Gainesville
- Newnan
- Mableton
- Peachtree Corners
- Milton
- Peachtree City
- East Point
- Tucker
- Woodstock
- Douglasville
- Stockbridge
- Canton
- Kennesaw
and 149 more cities
Time Zone
- Eastern Time (ET)
Current Time


Call Context
This area code includes Atlanta and surrounding communities in Georgia. The region extends well beyond the urban core into surrounding suburbs and communities.
Nearby Area Codes
Area codes geographically closest to 770.









Frequently Asked Questions
Common questions about area code 770 and how phone numbering works.
Phone numbers are assigned based on where the number was originally provisioned, not the caller's current location. Mobile phones retain their number when users move, and businesses may use numbers from regions where they don't have a physical presence. VoIP services can also provision numbers from virtually any area code.
Yes, mobile phones can have numbers from any area code in the region they were activated. Wireless carriers assign numbers from available pools regardless of phone type. When users change carriers or move to new areas, they typically keep their original number, which may have a different area code than their current location.
Start by looking up the area code on this site to understand its general geographic region. For the specific number, options include using your carrier's caller ID features or checking public directories. If you suspect fraud, you can report it to the FTC. To file a complaint about robocalls or spoofed numbers, visit the FCC Consumer Complaint Center. You can also register your number with the National Do Not Call Registry to reduce unwanted calls. Keep in mind that caller ID can display any name the caller chooses to set.
While Atlanta is a prominent city in this area code's coverage, the code serves the broader surrounding region as well. Area codes are assigned geographically and typically cover multiple cities, towns, and communities beyond any single anchor city.








