Area Code 678 at a Glance
| Area code | 678 |
| Region | Georgia |
| Country | United States |
| Primary timezone | America/New_York |
| Dialing format | +1 (678) NXX-XXXX |
Cities and Places Using Area Code 678
Based on prefix-level carrier data, area code 678 covers places including:
- Alpharetta, GA
- Lawrenceville, GA
- Cumming, GA
- Atlanta, GA
- Duluth, GA
- Roswell, GA
- Marietta, GA
- Covington, GA
- Stockbridge, GA
- McDonough, GA
- Gainesville, GA
- Canton, GA
Frequently Asked Questions
Where is area code 678?
Area code 678 serves Georgia, United States.
Who is calling me from area code 678?
A call from area code 678 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 678 number?
Within North America: dial 1-678 followed by the 7-digit number. From abroad: your international prefix (like 00 or +), then 1 678 and the number.