Area code 770 — Georgia
Area code 770 is in Georgia and serves Marietta, Carrollton, Gainesville, Jonesboro. Time zone, overlays, counties and ZIP codes.
| Location | Georgia (Marietta, Carrollton, Gainesville, Jonesboro, Lawrenceville, Roswell, Stone Mountain, Snellville, Cartersville, and much of north-central Georgia d metropolitan Atlanta outside of Interstate 285) |
|---|---|
| Main places | Marietta, Carrollton, Gainesville, Jonesboro, Lawrenceville, Roswell, Stone Mountain, Snellville, Cartersville |
| State | Georgia |
| Status | In service · since 1995 |
| Time zone | Eastern · |
| Overlay codes | 678 Overlays share the same area. Local calls usually need 10-digit dialing. |
| Local dialing | 10 digits |
History
- Split of 404
- 1998: overlaid by 678
- Covers metropolitan areas outside of Atlanta and fully encircles Atlanta's area code 404
Counties (approximate)
Banks CountyBarrow CountyBartowBartow CountyButts CountyCarrollCarroll CountyCherokeeCherokee CountyClarkeClarke CountyClaytonClayton CountyCobbCobb CountyCowetaCoweta CountyDawson CountyDeKalbDeKalb CountyDouglasDouglas CountyElbert CountyFannin CountyFayetteFayette CountyForsyth CountyFranklin CountyFultonFulton County
ZIP codes in area code 770
Approximate: area code boundaries follow telephone rate centers, not ZIP codes.
30002 Avondale Estates30003 Norcross30004 Alpharetta30005 Alpharetta30006 Marietta30007 Marietta30008 Marietta30009 Alpharetta30010 Norcross30011 Auburn30012 Conyers30013 Conyers30014 Covington30015 Covington30016 Covington30017 Grayson30018 Jersey30019 Dacula30021 Clarkston30022 Alpharetta30023 Alpharetta30024 Suwanee30025 Social Circle30026 North Metro30028 Cumming30029 North Metro30030 Decatur30032 Decatur30033 Decatur30034 Decatur30035 Decatur30038 Lithonia30039 Snellville30040 Cumming30041 Cumming30042 Lawrenceville30043 Lawrenceville30044 Lawrenceville30045 Lawrenceville30046 Lawrenceville
Format a 770 number
US numbers are written as (770) 555-0123 or 770-555-0123. From outside the US, dial +1 770 555 0123.
Is a call from 770 a scam?
An area code only tells you where a number was assigned. Caller ID can be faked (“spoofed”), so do not trust a call just because the area code looks local. Never share codes or payment details with unexpected callers.
Sources: NANPA via NumberResearch.org (CC BY 4.0); place names and history from Wikipedia (CC BY-SA 4.0). See data sources.