ZIP Code 52403

52403 is one of Iowa's ZIP codes, delivering to addresses in Cedar Rapids, Linn County.

City: Cedar Rapids
County: Linn County
State: Iowa
Prefix: 524xx

Where this code sits

52403 is part of the 524xx range, the group of codes handled by one mail processing centre. Cedar Rapids is served by 14 ZIP codes in total; the full list, with the county each falls in, is on the Cedar Rapids page.

Cedar Rapids Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 52403 delivers to without sharing its boundary.

319 Area code 319

ZIP codes nearest 52403

The ZIP codes whose reference points sit closest to 52403.
ZIP code	Distance	Delivers to
ZIP code 52401	1.7 mi	Cedar Rapids, IA
ZIP code 52406	1.9 mi	Cedar Rapids, IA
ZIP code 52402	3.0 mi	Cedar Rapids, IA
ZIP code 52404	3.8 mi	Cedar Rapids, IA
ZIP code 52302	4.3 mi	Marion, IA
ZIP code 52405	4.3 mi	Cedar Rapids, IA
ZIP code 52233	4.8 mi	Hiawatha, IA
ZIP code 52328	6.5 mi	Robins, 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 52403, plotted from its record coordinates.

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

Scope ZIP code 52403. 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.