678 Area Code

The 678 area code is part of the North American Numbering Plan (NANP) and serves the Atlanta metropolitan area in Georgia, USA. Introduced in 1998, it was added as an overlay to relieve the exhaustion of numbers in the 404 and 770 area codes. Today, 678 covers a wide range of communities across Atlanta and its suburbs, making it one of the busiest area codes in Georgia.

Understanding the 678 Area Code

The 678 area code is an overlay for the 404 and 770 area codes. This means that all three serve the same region, requiring 10-digit dialing for local calls. The overlay ensures that Atlanta�s growing population and businesses continue to have sufficient telephone numbers available.

678 Area Code Map and Location

The 678 area code map covers much of the Atlanta metropolitan region in north-central Georgia. It includes parts of Fulton, DeKalb, Cobb, Gwinnett, and surrounding counties.

Major Cities and Regions in the 678 Area Code

  • Atlanta, GA (largest city in Georgia)
  • Alpharetta, GA
  • Marietta, GA
  • Roswell, GA
  • Sandy Springs, GA
  • Duluth, GA
  • Norcross, GA
  • Lawrenceville, GA

ZIP Codes Covered by the 678 Area Code

The 678 area code spans numerous ZIP codes across the Atlanta metro. Some examples include:

  • 30303 - Atlanta
  • 30004 - Alpharetta
  • 30062 - Marietta
  • 30076 - Roswell
  • 30328 - Sandy Springs
  • 30096 - Duluth
  • 30092 - Norcross
  • 30046 - Lawrenceville

Time Zone

The 678 area code is located in the Eastern Time Zone (ET).

  • Standard Time: UTC -5
  • Daylight Saving Time: UTC -4

Dialing, Phone & Service Details

  • Overlay Codes: 404, 770
  • Local dialing: 10-digit dialing required
  • Long-distance within the USA: Dial 1 + 678 + 7-digit number
  • International calls: Dial exit code + 1 + 678 + number
  • Services: Landline, mobile, VoIP, and business communications

What area code is 678? / Where's area code 678?

What area code is 678? � The 678 area code is a Georgia overlay code serving the Atlanta metropolitan area.

Where's area code 678? � The 678 area code is located in north-central Georgia, USA, covering Atlanta and its surrounding suburbs.

Frequently Asked Questions (FAQ) about 678 Area Code

What is the 678 area code?

The 678 area code is a Georgia telephone code serving the Atlanta metro area.

When was the 678 area code created?

The 678 area code was introduced in 1998 as an overlay to 404 and 770.

Where is area code 678 located?

It is located in Atlanta and surrounding areas of north-central Georgia.

Does 678 have overlays?

Yes. The 678 area code overlays with 404 and 770.

What time zone is 678 in?

The 678 area code is in the Eastern Time Zone (UTC -5 / -4 DST).

678 Area Code