ZIP Code 52594

52594 is one of Iowa's ZIP codes, delivering to addresses in Unionville, Appanoose County.

City: Unionville
County: Appanoose County
State: Iowa
Prefix: 525xx

Where this code sits

52594 is part of the 525xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Unionville.

Unionville Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 52594 delivers to without sharing its boundary.

641 Area code 641

ZIP codes nearest 52594

The ZIP codes whose reference points sit closest to 52594.
ZIP code	Distance	Delivers to
ZIP code 52593	4.9 mi	Udell, IA
ZIP code 52536	8.8 mi	Blakesburg, IA
ZIP code 52571	8.8 mi	Moravia, IA
ZIP code 52552	9.9 mi	Drakesville, IA
ZIP code 52572	11 mi	Moulton, IA
ZIP code 52544	12 mi	Centerville, IA
ZIP code 52574	13 mi	Mystic, IA
ZIP code 52531	14 mi	Albia, 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 52594, plotted from its record coordinates.

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

Scope ZIP code 52594. 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.