770 area code
Area code 770 is in Georgia, including Alpharetta, Norcross, Marietta and Atlanta. It's on Eastern Time.
Eastern Time
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Is it a good time to call 770?
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Business hours are taken as 9 AM to 5 PM on weekdays. US telemarketing rules only allow sales calls between 8 AM and 9 PM local time.
Cities in area code 770
| City | Time zone |
|---|---|
| Alpharetta, GA | Eastern Time |
| Norcross, GA | Eastern Time |
| Marietta, GA | Eastern Time |
| Atlanta, GA | Eastern Time |
| Conyers, GA | Eastern Time |
| Roswell, GA | Eastern Time |
| Lawrenceville, GA | Eastern Time |
| Duluth, GA | Eastern Time |
| Tucker, GA | Eastern Time |
| Cumming, GA | Eastern Time |
| Jonesboro, GA | Eastern Time |
| Newnan, GA | Eastern Time |
Other area codes in Georgia
More: look up another area code · time zone converter · US time zones map
Questions people ask
Where is area code 770?
Area code 770 is in Georgia, including Alpharetta, Norcross, Marietta and Atlanta.
What time zone is area code 770?
770 is on Eastern Time (UTC−5, UTC−4 in summer).
What time is it in area code 770 right now?
The live clock at the top of this page shows the current local time in area code 770.