Area code 770
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Area code 770 is a
History
When the North American Numbering Plan was created in October 1947, all of Georgia was served by area code 404. In 1954, 404 was reduced to the northern half of the state, with
When 706 was created, it included several fast-growing
As a result, just three years later, in 1995, almost all of Atlanta's suburban ring was split off as area code 770.[1]
Atlanta was the first city in the United States to have mandatory ten-digit dialing throughout its metro area, roughly coinciding with the
An additional NPA will be added to both metro Atlanta overlay areas in 2022. Area code 943 will be effective on March 15, 2022.[2]
Service area
Numbering plan area 770 completely surrounds 404. The two plan areas are separated roughly by
When the Atlanta area was originally divided in 1995, most cellphones stayed with 404, which balanced the fact that most of the landline area went to 770.
Area code 770 serves a numbering plan area that comprises the counties of Barrow, Bartow, Butts, Carroll, Cherokee, Clayton (part with area code 404), Cobb, Coweta, Dawson, DeKalb (part with area code 404), Douglas, Fayette, Forsyth, Fulton (part with area code 404), Gwinnett, Hall, Haralson, Heard (part with area codes 706 and 762), Henry, Lamar, Meriwether (part with area codes 706 and 762), Newton, Oconee, Paulding, Pike, Polk, Rockdale, Spalding, and Walton.
See also
References
- ^ "770 comes on line with little trouble; Anticlimax: Only about 1,000 people call BellSouth as new area code goes into effect". The Atlanta Journal-Constitution. December 2, 1995. p. D2.
- ^ "Planning Letter 559" (PDF). North American Numbering Plan Administrator. Retrieved 24 June 2021.
- ^ "Local Calling Guide". Local Calling Guide. Retrieved 8 December 2022.
External links
| North: 706/762 | ||
| West: 938
|
770 and 943
surrounds 404 |
East: 706/762 |
| South: 478, 706/762 | ||
| Alabama area codes: 205/659, 251, 256/938, 334 | ||