770 area code — Atlanta Northeast, GA geographic
Phone numbers beginning 770 are registered to the Atlanta Northeast area of Georgia (Eastern time zone). The code entered service on August 1, 1995. Together with 470, 678, 943 it forms the 470/678/770/943 overlay. Because of number portability and VoIP, the area code tells you where the number was issued, not where the caller is right now.
NANPA lists 779 active NXX prefixes in 770, assigned to 29 carriers. 333 of those prefixes are pooled — shared between carriers in thousands-number blocks. The code spans 42 rate centers (billing localities).
If a 770 call asks for money or personal data, treat the displayed number as unverified: hang up and reach the organization through its published number. Numbering data locates numbers, not callers.
Its parent code is 404, which it left in 1995.
Official projections put exhaust for the 470/678/770/943 complex at 1Q 2039.
The dialing plan is 10D for home-NPA local calls and 10D across codes.
Largest localities in 770
| Locality (rate center) | Active prefixes | Also served by |
|---|---|---|
| Atlanta Northeast | 366 | 470, 678, 943 |
| Atlanta Northwest | 150 | 470, 678, 943 |
| Atlanta South | 67 | 470, 678, 943 |
| Gainesville | 24 | 470, 678, 943 |
| Conyers | 15 | 470, 678, 943 |
| Cumming | 12 | 470, 678, 943 |
| Adairsville | 12 | 470, 678, 943 |
| Newnan | 11 | 470, 678, 943 |
| Carrollton | 10 | 470, 678, 943 |
| Cartersville | 10 | 470, 678, 943 |
FAQ
Where is a 770 number from?
770 is assigned to Atlanta Northeast and surrounding areas of Georgia in the Eastern time zone. The three digits after the area code (the prefix) narrow it down to a rate center.
Is 770 a toll-free number?
No. 770 is a geographic code; calls are billed like any other domestic call. Toll-free codes are 800, 833, 844, 855, 866, 877 and 888.
Why do 470 and 770 cover the same place?
They are overlays: when a code runs low on numbers, a new code is added over the same territory instead of splitting it. The 470/678/770/943 complex shares one service area, and local calls are dialed with 10 digits.