ZIP Code 52301

52301 is one of Iowa's ZIP codes, delivering to addresses in Marengo, Iowa County.

City: Marengo
County: Iowa County
State: Iowa
Prefix: 523xx

Where this code sits

52301 is part of the 523xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Marengo.

Marengo Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 52301 delivers to without sharing its boundary.

319 Area code 319

ZIP codes nearest 52301

The ZIP codes whose reference points sit closest to 52301.
ZIP code	Distance	Delivers to
ZIP code 52220	5.5 mi	Conroy, IA
ZIP code 52251	6.3 mi	Ladora, IA
ZIP code 52334	7.8 mi	South Amana, IA
ZIP code 52209	8.3 mi	Blairstown, IA
ZIP code 52307	8.8 mi	Middle Amana, IA
ZIP code 52354	9.0 mi	Watkins, IA
ZIP code 52257	10 mi	Luzerne, IA
ZIP code 52203	10 mi	Amana, 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 52301, plotted from its record coordinates.

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

Scope ZIP code 52301. 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.