Area Code 678: Georgia, Georgia
678 is a telephone area code serving Georgia. It is part of the North American Numbering Plan and is dialed with the country code +1.
Numbers beginning with 678 are located in Georgia, United States (NANP region: Atlanta).
How to Dial Area Code 678
| Calling from | What to dial |
|---|---|
| Anywhere in the US or Canada | 1 678 XXX-XXXX (10-digit dialing: 678 + 7-digit number) |
| Local call inside the same area code | 7-digit number in most areas; 10 digits where an overlay code is active |
| From the UK or Europe | 00 1 678 XXX XXXX |
| From Australia | 0011 1 678 XXX XXXX |
| From a mobile phone anywhere | +1 678 XXX XXXX |
Whatever country you are calling from, the + symbol replaces the exit code. Save the contact as +1 678 XXXXXXX and it will dial correctly from any phone in the world.
Time Zone for Area Code 678
Calls to a 678 number ring in the America/New_York time zone, standard offset UTC-05:00. Daylight saving time applies here, so the offset moves forward one hour from March to November.
Other Area Codes in Georgia
These codes also serve Georgia. Area codes are assigned by the North American Numbering Plan Administration (NANPA).
| Area Code | Cities / Coverage |
|---|---|
| 229 | Albany |
| 404 | Atlanta |
| 470 | Atlanta (overlay) |
| 478 | Macon |
| 706 | Augusta, Athens |
| 762 | Augusta (overlay) |
| 770 | Atlanta Metro |
| 912 | Savannah |
| 943 | Atlanta (overlay for 404/678/770) |
See all 10 area codes in Georgia →
Frequently Asked Questions
Where is area code 678?
Area code 678 is in Georgia, United States. It covers Atlanta Metro (overlay).
What time zone is area code 678 in?
Area code 678 rings in the America/New_York time zone (UTC-05:00 standard).
Do I need to dial 1 before area code 678?
Yes, for a long-distance call inside the US and Canada you dial 1 first, then 678, then the seven-digit number. The 1 is the North American long-distance trunk prefix — it is not the country code. From outside North America you dial your exit code then 1 then 678.
Is area code 678 toll-free?
No. 678 is a standard geographic area code, so normal long-distance rates apply unless your plan includes them. Toll-free NANP codes are 800, 833, 844, 855, 866, 877 and 888.