ZIP Code 30090

30090 is one of Georgia's ZIP codes, delivering to addresses in Marietta, Cobb County.

City: Marietta
County: Cobb County
State: Georgia
Prefix: 300xx

Where this code sits

30090 is part of the 300xx range, the group of codes handled by one mail processing centre. Marietta is served by 14 ZIP codes in total; the full list, with the county each falls in, is on the Marietta page.

Marietta Georgia ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 30090 delivers to without sharing its boundary.

ZIP codes nearest 30090

The ZIP codes whose reference points sit closest to 30090.
ZIP code	Distance	Delivers to
ZIP code 30006	0.2 mi	Marietta, GA
ZIP code 30060	1.1 mi	Marietta, GA
ZIP code 30061	1.5 mi	Marietta, GA
ZIP code 30063	2.2 mi	Marietta, GA
ZIP code 30007	2.8 mi	Marietta, GA
ZIP code 30065	2.8 mi	Marietta, GA
ZIP code 30069	2.8 mi	Marietta, GA
ZIP code 30111	2.8 mi	Clarkdale, 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 30090, plotted from its record coordinates.

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

Scope ZIP code 30090. 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.