ZIP Code 52644

52644 is one of Iowa's ZIP codes, delivering to addresses in Mount Union, Henry County.

City: Mount Union
County: Henry County
State: Iowa
Prefix: 526xx

Where this code sits

52644 is part of the 526xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Mount Union.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 52644 delivers to without sharing its boundary.

319 Area code 319

ZIP codes nearest 52644

The ZIP codes whose reference points sit closest to 52644.
ZIP code	Distance	Delivers to
ZIP code 52659	6.2 mi	Winfield, IA
ZIP code 52660	6.9 mi	Yarmouth, IA
ZIP code 52652	8.3 mi	Swedesburg, IA
ZIP code 52645	8.4 mi	New London, IA
ZIP code 52640	9.1 mi	Morning Sun, IA
ZIP code 52641	9.2 mi	Mount Pleasant, IA
ZIP code 52647	9.6 mi	Olds, IA
ZIP code 52621	14 mi	Crawfordsville, 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 52644, plotted from its record coordinates.

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

Scope ZIP code 52644. 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.