Where Is Area Code 770?
Area code 770 is found in the US state of Georgia. Primarily servicing the city of Marietta (population: 310813), area code 770 covers 31 counties of Georgia.
Located in the Eastern time zone, area code 770 is on the same time as New York, NY.
Area code 770 was brought into effect on August 1, 1995. 770 was split from the parent 404 area code.
Counties in Area Code 770
- Barrow,
- Bartow,
- Butts,
- Carroll,
- Cherokee,
- Clayton,
- Cobb,
- Coweta,
- DeKalb,
- Douglas,
- Fayette,
- Forsyth,
- Fulton,
- Gwinnett,
- Hall,
- Haralson,
- Heard,
- Henry,
- Jasper,
- Lamar,
- Lumpkin,
- Meriwether,
- Newton,
- Oconee,
- Paulding,
- Pickens,
- Pike,
- Polk,
- Rockdale,
- Spalding,
- Walton.
Most Populous Cities in Area Code 770
| City | County | City Population | Time Zone |
|---|---|---|---|
| Marietta | Cobb | 310,813 | EST |
| Lawrenceville | Gwinnett | 239,302 | EST |
| Alpharetta | Fulton | 175,877 | EST |
| Cumming | Forsyth | 138,714 | EST |
| Gainesville | Hall | 124,844 | EST |
| Stone Mountain | DeKalb | 115,136 | EST |
| Duluth | Gwinnett | 109,113 | EST |
| Douglasville | Douglas | 106,593 | EST |
| Roswell | Fulton | 100,771 | EST |
| Kennesaw | Cobb | 95,251 | EST |
| McDonough | Henry | 93,087 | EST |
| Lithonia | DeKalb | 92,155 | EST |
| Woodstock | Cherokee | 92,134 | EST |
| Buford | Gwinnett | 88,806 | EST |
| Canton | Cherokee | 88,223 | EST |
| Covington | Newton | 87,487 | EST |
| Newnan | Coweta | 87,121 | EST |
| Conyers | Rockdale | 84,298 | EST |
| Jonesboro | Clayton | 83,157 | EST |
| Dallas | Paulding | 80,730 | EST |
| Norcross | Gwinnett | 79,837 | EST |
| Snellville | Gwinnett | 77,962 | EST |
| Smyrna | Cobb | 77,943 | EST |
| Suwanee | Gwinnett | 68,043 | EST |
| Stockbridge | Henry | 67,754 | EST |
Note:
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This page was last updated on July 3, 2015.