Area Code 770 at a Glance
| Area code | 770 |
| Region | Georgia |
| Country | United States |
| Primary timezone | America/New_York |
| Dialing format | +1 (770) NXX-XXXX |
Cities and Places Using Area Code 770
Based on prefix-level carrier data, area code 770 covers places including:
- Alpharetta, GA
- Norcross, GA
- Marietta, GA
- Atlanta, GA
- Conyers, GA
- Roswell, GA
- Lawrenceville, GA
- Tucker, GA
- Duluth, GA
- Cartersville, GA
- Newnan, GA
- Cumming, GA
Frequently Asked Questions
Where is area code 770?
Area code 770 serves Georgia, United States.
Who is calling me from area code 770?
A call from area code 770 most likely originates from Georgia, but caller ID can be spoofed. If an unknown caller asks for personal or payment information, hang up and call the organization back on its official number.
How do I dial a 770 number?
Within North America: dial 1-770 followed by the 7-digit number. From abroad: your international prefix (like 00 or +), then 1 770 and the number.