ZIP Code 30031

30031 is one of Georgia's ZIP codes, delivering to addresses in Decatur, DeKalb County.

City: Decatur
County: DeKalb County
State: Georgia
Prefix: 300xx

Where this code sits

30031 is part of the 300xx range, the group of codes handled by one mail processing centre. Decatur is served by 8 ZIP codes in total; the full list, with the county each falls in, is on the Decatur page.

Decatur Georgia ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 30031 delivers to without sharing its boundary.

ZIP codes nearest 30031

The ZIP codes whose reference points sit closest to 30031.
ZIP code	Distance	Delivers to
ZIP code 30036	0.0 mi	Decatur, GA
ZIP code 30037	0.0 mi	Decatur, GA
ZIP code 30030	0.3 mi	Decatur, GA
ZIP code 30002	2.1 mi	Avondale Estates, GA
ZIP code 30317	2.1 mi	Atlanta, GA
ZIP code 30322	2.2 mi	Atlanta, GA
ZIP code 30307	2.3 mi	Atlanta, GA
ZIP code 30079	2.5 mi	Scottdale, GA

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 30031, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 30031. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.