ZIP Code 52738

52738 is one of Iowa's ZIP codes, delivering to addresses in Columbus Junction, Louisa County.

City: Columbus Junction
County: Louisa County
State: Iowa
Prefix: 527xx

Where this code sits

52738 is part of the 527xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Columbus Junction.

Columbus Junction Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 52738 delivers to without sharing its boundary.

319 Area code 319

ZIP codes nearest 52738

The ZIP codes whose reference points sit closest to 52738.
ZIP code	Distance	Delivers to
ZIP code 52737	4.5 mi	Columbus City, IA
ZIP code 52754	5.0 mi	Letts, IA
ZIP code 52752	5.9 mi	Grandview, IA
ZIP code 52739	6.5 mi	Conesville, IA
ZIP code 52653	8.9 mi	Wapello, IA
ZIP code 52749	10 mi	Fruitland, IA
ZIP code 52766	13 mi	Nichols, IA
ZIP code 52201	13 mi	Ainsworth, 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 52738, plotted from its record coordinates.

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

Scope ZIP code 52738. 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.