US Area Code
678
Atlanta Suburbs · Georgia
Area code 678 serves Alpharetta, Marietta, Smyrna and surrounding areas in Georgia. Look up any 678 number below to check for spam, see caller ID, carrier, and line type.
Area Code Details
- State / Territory
- Georgia
- Region
- Atlanta Suburbs
- Major Cities
- Alpharetta, Marietta, Smyrna
- Timezone
- Eastern Time
- Country
- United States
- Format
- +1 (678) XXX-XXXX