🇺🇸 United States · Georgia
Area code 678
Area code 678 is a telephone area code in Georgia, United States, covering Lawrenceville, Alpharetta, Cumming, Duluth, Atlanta, Stockbridge and more. Local time is UTC−5 (UTC−4 in summer). Numbers look like (678) 234-5678, or +1 678 234 5678 from abroad.
- State
- Georgia
- Time zone
- New York UTC−5 (UTC−4 in summer)
- Local time now
- –
- Dial from abroad
- +1 678
Places in area code 678
Cities and towns with telephone exchanges in the 678 area code, most exchanges first.
- Lawrenceville
- Alpharetta
- Cumming
- Duluth
- Atlanta
- Stockbridge
- Marietta
- Covington
- Roswell
- Winder
- McDonough
- Woodstock
- Gainesville
- Canton
- Douglasville
- Snellville
- Dallas
- Peachtree City
- Conyers
- Norcross
- Morrow
- Newnan
- Stone Mountain
- Jonesboro
How to dial area code 678
| Calling from | You dial |
|---|---|
| Inside the 678 area | 678 234 5678 (10 digits) |
| Elsewhere in the US & Canada | 1 678 234 5678 |
| Any mobile phone, anywhere | +1 678 234 5678 |
| UK, Europe, India and most countries | 00 1 678 234 5678 |
| Australia | 0011 1 678 234 5678 |
Area code 678: FAQ
Where is area code 678?
Area code 678 is in Georgia, United States and serves Lawrenceville, Alpharetta, Cumming, Duluth, Atlanta, Stockbridge. and other places
What time zone is area code 678 in?
Area code 678 is in the America/New_York time zone (UTC−5 (UTC−4 in summer)).
How do I call a 678 number from outside the US and Canada?
Dial your exit code (00 in most countries, or + on a mobile), then 1, then 678 and the seven-digit number. Example: +1 678 234 5678.
Is a call from area code 678 a scam?
Area code 678 is a regular North American area code, but caller ID can be spoofed: scammers often show local-looking numbers. Do not call back unknown numbers that ask for money or personal data, and check the number with the phone number validator to see whether it is valid and whether it is a mobile, landline or VoIP number.
Phone number API
Check 678 numbers in your app
numlookupapi checks any phone number worldwide in one request and returns validity, line type, carrier, location and every standard format as JSON.
Read the documentation100 free requests every month. No credit card required.
GET https://api.numlookupapi.com/v1/validate/+16782345678
{
"valid": true,
"number": "12069220880",
"local_format": "2069220880",
"international_format": "+12069220880",
"country_prefix": "+1",
"country_code": "US",
"country_name": "United States of America",
"location": "Seattle",
"line_type": "landline",
"e164_format": "+12069220880",
"national_format": "(206) 922-0880"
}