ZIP Code 52257

52257 is one of Iowa's ZIP codes, delivering to addresses in Luzerne, Benton County.

City: Luzerne
County: Benton County
State: Iowa
Prefix: 522xx

Where this code sits

52257 is part of the 522xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Luzerne.

Luzerne Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 52257 delivers to without sharing its boundary.

319 Area code 319

ZIP codes nearest 52257

The ZIP codes whose reference points sit closest to 52257.
ZIP code	Distance	Delivers to
ZIP code 52208	4.0 mi	Belle Plaine, IA
ZIP code 52209	5.0 mi	Blairstown, IA
ZIP code 52249	7.8 mi	Keystone, IA
ZIP code 52346	8.7 mi	Van Horne, IA
ZIP code 52354	9.4 mi	Watkins, IA
ZIP code 52301	10 mi	Marengo, IA
ZIP code 52251	10 mi	Ladora, IA
ZIP code 52225	11 mi	Elberon, 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 52257, plotted from its record coordinates.

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

Scope ZIP code 52257. 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.