ZIP Code 51025

51025 is one of Iowa's ZIP codes, delivering to addresses in Holstein, Ida County.

City: Holstein
County: Ida County
State: Iowa
Prefix: 510xx

Where this code sits

51025 is part of the 510xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Holstein.

Holstein Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 51025 delivers to without sharing its boundary.

712 Area code 712

ZIP codes nearest 51025

The ZIP codes whose reference points sit closest to 51025.
ZIP code	Distance	Delivers to
ZIP code 51018	6.1 mi	Cushing, IA
ZIP code 51020	7.0 mi	Galva, IA
ZIP code 51049	10 mi	Quimby, IA
ZIP code 51061	10 mi	Washta, IA
ZIP code 51016	11 mi	Correctionville, IA
ZIP code 51006	11 mi	Battle Creek, IA
ZIP code 51445	12 mi	Ida Grove, IA
ZIP code 51053	14 mi	Schaller, 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 51025, plotted from its record coordinates.

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

Scope ZIP code 51025. 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.