ZIP Code 36421

36421 is one of Alabama's ZIP codes, delivering to addresses in Andalusia, Mobile County.

City: Andalusia
County: Mobile County
State: Alabama
Prefix: 364xx

Where this code sits

36421 is part of the 364xx range, the group of codes handled by one mail processing centre. Andalusia is served by 2 ZIP codes in total; the full list, with the county each falls in, is on the Andalusia page.

Andalusia Alabama ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 36421 delivers to without sharing its boundary.

ZIP codes nearest 36421

The ZIP codes whose reference points sit closest to 36421.
ZIP code	Distance	Delivers to
ZIP code 36420	2.1 mi	Andalusia, AL
ZIP code 36476	2.8 mi	River Falls, AL
ZIP code 36038	5.8 mi	Gantt, AL
ZIP code 36474	10 mi	Red Level, AL
ZIP code 36028	15 mi	Dozier, AL
ZIP code 36467	15 mi	Opp, AL
ZIP code 36429	16 mi	Brooklyn, AL
ZIP code 36456	20 mi	Mc Kenzie, AL

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 36421, plotted from its record coordinates.

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

Scope ZIP code 36421. 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.