ZIP Code 30340

30340 is one of Georgia's ZIP codes, delivering to addresses in Atlanta, DeKalb County.

City: Atlanta
County: DeKalb County
State: Georgia
Prefix: 303xx

Where this code sits

30340 is part of the 303xx range, the group of codes handled by one mail processing centre. Atlanta is served by 92 ZIP codes in total; the full list, with the county each falls in, is on the Atlanta page.

Atlanta Georgia ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 30340 delivers to without sharing its boundary.

ZIP codes nearest 30340

The ZIP codes whose reference points sit closest to 30340.
ZIP code	Distance	Delivers to
ZIP code 30341	2.1 mi	Atlanta, GA
ZIP code 30360	3.2 mi	Atlanta, GA
ZIP code 30084	3.3 mi	Tucker, GA
ZIP code 30085	3.4 mi	Tucker, GA
ZIP code 30345	3.5 mi	Atlanta, GA
ZIP code 30093	4.1 mi	Norcross, GA
ZIP code 30071	4.5 mi	Norcross, GA
ZIP code 30319	5.0 mi	Atlanta, 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 30340, plotted from its record coordinates.

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

Scope ZIP code 30340. 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.