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Area code 770

Area code 770 Atlanta, Georgia

Area code 770 is in Georgia, with numbers assigned in Atlanta, Gainesville, Conyers and 34 more places. It’s 12:10 AM there now.

State
Georgia10 area codes in Georgia
Time zone
Eastern12:10 AM there now
Exchanges
78537 places
Overlay
470, 678 and 943Same area, 10-digit dialing
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Where area code 770 is

Numbers in 770 are assigned to 37 places in 24 counties: DeKalb County, Fulton County, Hall County, Bartow County, Carroll County, Rockdale County, plus 18 more.

Atlanta holds most of them: 75% of the exchanges.

  • Atlanta585
  • Gainesville24
  • Conyers15
  • Cumming12
  • Adairsville12
  • Newnan11
  • Carrollton10
  • Cartersville10
  • Griffin9
  • Winder9
  • Buford8
  • Canton7
  • Covington7
  • Villa Rica7
  • Barnesville5
  • Flowery Branch5
  • Monroe4
  • Lula4
  • Bremen3
  • Jackson3
  • Buchanan3
  • Cedartown3
  • Tallapoosa2
  • Kingston2

Phone companies in 770

785 blocks of numbers in 770 are held by 26 phone companies. The most belong to AT&T (429), AT&T Mobility (53) and Verizon Wireless (45).

Mostly landline: about 62% of blocks belong to local phone and cable companies, 16% to wireless networks and 22% to other carriers.

A block’s holder is the company it was first assigned to; numbers can move to other carriers since.

History and overlays

770 went into service in 1995, added to the area of 404.

470 (since 2010), 678 (since 1998) and 943 (since 2022) share the same area, so a new number there can get any of these codes and local calls are dialed with all 10 digits.

34 new exchanges were assigned since 2021, the latest in October 2026.

Calling 770

It’s 12:10 AM Eastern time in 770 right now.

From elsewhere in the U.S., dial 1, 770 and the 7-digit number; inside the area, all 10 digits too.

Nearby area codes

Georgia has 10 area codes: 229, 404, 470, 478, 678, 706, 762, 770, 912 and 943.

From the North American Numbering Plan Administrator’s area code and exchange records (10/22/2026) and U.S. Census place and county names. Places and companies are where number blocks were assigned, not where anyone lives or which carrier a number uses today.

Map of the 770 area code

Map of the 770 area code around Atlanta, Gainesville and Conyers, Georgia.

Interactive map © OpenStreetMap contributors

Cities on the map

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Questions about 770

Where is area code 770?

In Georgia, covering Atlanta, Gainesville and Conyers and other places across 24 counties.

What time zone is 770 in?

Eastern time. It was 12:10 AM there when this page loaded.

Is 770 an overlay?

Yes. 470, 678 and 943 serve the same area, so dial all 10 digits for local calls.

Which phone companies have 770 numbers?

26 companies hold blocks; the most belong to AT&T, AT&T Mobility and Verizon Wireless. About 16% of blocks are wireless.

Is 770 running out of numbers?

Not on record. 34 new exchanges have been assigned since 2021.