ZIP Code 51245

51245 is one of Iowa's ZIP codes, delivering to addresses in Primghar, O'Brien County.

City: Primghar
County: O'Brien County
State: Iowa
Prefix: 512xx

Where this code sits

51245 is part of the 512xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Primghar.

Primghar Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 51245 delivers to without sharing its boundary.

712 Area code 712

ZIP codes nearest 51245

The ZIP codes whose reference points sit closest to 51245.
ZIP code	Distance	Delivers to
ZIP code 51231	5.3 mi	Archer, IA
ZIP code 51046	7.8 mi	Paullina, IA
ZIP code 51248	7.8 mi	Sanborn, IA
ZIP code 51009	10 mi	Calumet, IA
ZIP code 51058	11 mi	Sutherland, IA
ZIP code 51346	11 mi	Hartley, IA
ZIP code 51201	12 mi	Sheldon, IA
ZIP code 51238	13 mi	Hospers, 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 51245, plotted from its record coordinates.

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

Scope ZIP code 51245. 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.