ZIP Code 52146

52146 is one of Iowa's ZIP codes, delivering to addresses in Harpers Ferry, Allamakee County.

City: Harpers Ferry
County: Allamakee County
State: Iowa
Prefix: 521xx

Where this code sits

52146 is part of the 521xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Harpers Ferry.

Harpers Ferry Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 52146 delivers to without sharing its boundary.

563 Area code 563

ZIP codes nearest 52146

The ZIP codes whose reference points sit closest to 52146.
ZIP code	Distance	Delivers to
ZIP code 52170	4.8 mi	Waterville, IA
ZIP code 52158	9.3 mi	Marquette, IA
ZIP code 54640	9.8 mi	Lynxville, WI
ZIP code 53821	10 mi	Prairie Du Chien, WI
ZIP code 52157	10 mi	Mc Gregor, IA
ZIP code 54626	10 mi	Eastman, WI
ZIP code 52159	13 mi	Monona, IA
ZIP code 52151	14 mi	Lansing, 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 52146, plotted from its record coordinates.

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

Scope ZIP code 52146. 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.