ZIP Code 30021

30021 is one of Georgia's ZIP codes, delivering to addresses in Clarkston, DeKalb County.

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

Where this code sits

30021 is part of the 300xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Clarkston.

Clarkston Georgia ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 30021 delivers to without sharing its boundary.

ZIP codes nearest 30021

The ZIP codes whose reference points sit closest to 30021.
ZIP code	Distance	Delivers to
ZIP code 30079	1.6 mi	Scottdale, GA
ZIP code 30072	2.3 mi	Pine Lake, GA
ZIP code 30083	2.4 mi	Stone Mountain, GA
ZIP code 30033	2.5 mi	Decatur, GA
ZIP code 30002	2.9 mi	Avondale Estates, GA
ZIP code 30085	3.3 mi	Tucker, GA
ZIP code 30084	3.5 mi	Tucker, GA
ZIP code 30087	3.9 mi	Stone Mountain, 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 30021, plotted from its record coordinates.

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

Scope ZIP code 30021. 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.