North American NumbersAtlanta suburbs
The 1995 split from 404 covering the suburban ring around Atlanta outside Interstate 285, forming the outer part of the "doughnut" with 404 at the center. It shares its geography with overlays 470, 678, and 943.
Status, dates and counts are read from NumberResearch (NANPA / CNAC / FCC records). Assignment records show initial assignees, not the carrier serving a number today.
Where 770 is
Atlanta suburbs outside I-285, spanning roughly 29 counties of north Georgia..
Communities served wholly or partly by 770:
Suburban/exurban ring; boundary with 404 is roughly I-285.
How it relates to other codes
The codes 770 was split from, spawned, or shares its area with. A split divides the map and changes some numbers; an overlay shares the same ground and changes none — what's the difference?
How 770 got here
How full it is
Prefix-assignment counts describe allocation to carriers, not how many individual numbers are in use. Full technical records: NumberResearch ↗.
Place, relationships and history above are compiled by North American Numbers from the sources listed and last checked 2026-09-18. A check date is not an expert review — see how this is made. Flag an error.