ZIP Code 52302

52302 is one of Iowa's ZIP codes, delivering to addresses in Marion, Linn County.

City: Marion
County: Linn County
State: Iowa
Prefix: 523xx

Where this code sits

52302 is part of the 523xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Marion.

Marion Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 52302 delivers to without sharing its boundary.

319 Area code 319

ZIP codes nearest 52302

The ZIP codes whose reference points sit closest to 52302.
ZIP code	Distance	Delivers to
ZIP code 52407	2.7 mi	Cedar Rapids, IA
ZIP code 52408	2.7 mi	Cedar Rapids, IA
ZIP code 52409	2.7 mi	Cedar Rapids, IA
ZIP code 52410	2.7 mi	Cedar Rapids, IA
ZIP code 52497	2.7 mi	Cedar Rapids, IA
ZIP code 52498	2.7 mi	Cedar Rapids, IA
ZIP code 52499	2.7 mi	Cedar Rapids, IA
ZIP code 52406	3.4 mi	Cedar Rapids, IA

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 52302, plotted from its record coordinates.

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

Scope ZIP code 52302. 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.