678 area code
Atlanta area, Eastern Time.Area code 678 covers Atlanta, Gainesville, Newnan and 36 more places in Georgia, on Eastern Time. 470 and 943 cover the same area. It overlays 404 and 770.
Right now in Atlanta
Eastern Time (EST, UTC-5; EDT, UTC-4 in summer)
Calling hours: Every day, 8 AM to 9 PM (the federal rule)
Small talk
Calling a lot of them? RegieGO dials up to five lines at once. See the dialer
Where 678 numbers come from
Numbers are issued by rate center, a billing area named for its main town. 678 has 39. Each one's share is how many 678 numbers start there. Its biggest metro area is Atlanta-Sandy Springs-Roswell, GA.
- Atlanta73%
- Gainesville5%
- Newnan2%
- Cumming2%
Also: Buford, Conyers, Winder, Adairsville, Covington, Griffin, Carrollton, Cartersville, Villa Rica, Cedartown, Flowery Branch, Social Circle + 23 more
Share of exchanges (blocks of 10,000 numbers). Source: NANPA rate center and exchange reports, November 10, 2026
When can you call a 678 number?
Sales calls to homes and cell phones have legal hours, set by the federal rule. Hold every 678 number to them, since you can't tell a work line from a personal cell.
What applies to 678Every day, 8 AM to 9 PM
- Federal (TCPA and FTC rule)Every day, 8 AM to 9 PMCalls to residential and mobile numbers. Most calls to businesses are exempt from the FTC's rule.47 CFR 64.1200(c)(1); 16 CFR 310.4(c) (opens in a new tab)
Local time comes from the area code, not from where the person is today. Mobiles keep their number when they move. Calling hours here are a guide, not legal advice. Every state's calling hours, with sources
678 and 470 and 943
678 went into service on January 6, 1998. 678, 470 and 943 cover the same area, so new numbers can get any of them and neighbors can have different area codes. 678 holds 46% of the area's exchanges, about as many as 470. 678 overlays 404 and 770: it covers all of their areas. Local calls take all 10 digits.
- 1947404 overlay
- 1995770 overlay
- 1998678 starts
- 2010470 overlay
- 2022943 overlay
Source: NANPA area code database
Calling a list of 678 numbers?
Paste it into the free phone number validator. It checks every number, finds each one's time zone and sorts the list by who you can call right now.
678 area code FAQ
What area code is 678?
678 is a Georgia area code for Atlanta, Gainesville, Newnan, Cumming and 35 more places.
What time zone is the 678 area code in?
Eastern Time (EST, UTC-5; EDT, UTC-4 in summer).
Is 470 the same as 678?
Same area, different code. 678, 470 and 943 cover the same area (an overlay), so new numbers can get any of them and local calls take all 10 digits.
What are the calling hours for 678 numbers?
Every day, 8 AM to 9 PM, local time, under the federal rule.
When did the 678 area code start?
On January 6, 1998.
Calling 678 numbers? Reach more of them.
RegieGO researches every account and dials up to five lines at once while you talk. 250 free credits, no credit card.