ZIP Code 51030

51030 is one of Iowa's ZIP codes, delivering to addresses in Lawton, Woodbury County.

City: Lawton
County: Woodbury County
State: Iowa
Prefix: 510xx

Where this code sits

51030 is part of the 510xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Lawton.

Lawton Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 51030 delivers to without sharing its boundary.

712 Area code 712

ZIP codes nearest 51030

The ZIP codes whose reference points sit closest to 51030.
ZIP code	Distance	Delivers to
ZIP code 51007	5.3 mi	Bronson, IA
ZIP code 51106	7.3 mi	Sioux City, IA
ZIP code 51108	7.8 mi	Sioux City, IA
ZIP code 51039	8.0 mi	Moville, IA
ZIP code 51024	8.1 mi	Hinton, IA
ZIP code 51105	8.4 mi	Sioux City, IA
ZIP code 51104	9.4 mi	Sioux City, IA
ZIP code 51101	9.4 mi	Sioux City, 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 51030, plotted from its record coordinates.

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

Scope ZIP code 51030. 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.