770 area code
Atlanta area, Eastern Time.Area code 770 covers Atlanta, Gainesville, Conyers and 36 more places in Georgia, on Eastern Time. 470, 678 and 943 cover it too, along with neighboring codes' areas.
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 770 numbers come from
Numbers are issued by rate center, a billing area named for its main town. 770 has 39. Each one's share is how many 770 numbers start there. Its biggest metro area is Atlanta-Sandy Springs-Roswell, GA.
- Atlanta75%
- Gainesville3%
- Conyers2%
- Cumming2%
Also: Adairsville, Newnan, Carrollton, Cartersville, Winder, Griffin, Buford, Covington, Villa Rica, Canton, Flowery Branch, Barnesville + 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 770 number?
Sales calls to homes and cell phones have legal hours, set by the federal rule. Hold every 770 number to them, since you can't tell a work line from a personal cell.
What applies to 770Every 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
The 770 area code
770 went into service on August 1, 1995, split off from 404. 470, 678 and 943 cover 770's area too, along with neighboring codes' areas. Local calls take all 10 digits.
- 1995770 starts
- 1998678 overlay
- 2010470 overlay
- 2022943 overlay
Source: NANPA area code database
Calling a list of 770 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.
770 area code FAQ
What area code is 770?
770 is a Georgia area code for Atlanta, Gainesville, Conyers, Cumming and 35 more places.
What time zone is the 770 area code in?
Eastern Time (EST, UTC-5; EDT, UTC-4 in summer).
What are the calling hours for 770 numbers?
Every day, 8 AM to 9 PM, local time, under the federal rule.
When did the 770 area code start?
On August 1, 1995. It was split from 404.
Calling 770 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.