ZIP Code 51543

51543 is one of Iowa's ZIP codes, delivering to addresses in Kimballton, Audubon County.

City: Kimballton
County: Audubon County
State: Iowa
Prefix: 515xx

Where this code sits

51543 is part of the 515xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Kimballton.

Kimballton Iowa ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 51543 delivers to without sharing its boundary.

712 Area code 712

ZIP codes nearest 51543

The ZIP codes whose reference points sit closest to 51543.
ZIP code	Distance	Delivers to
ZIP code 51531	3.7 mi	Elk Horn, IA
ZIP code 50042	7.1 mi	Brayton, IA
ZIP code 50117	7.3 mi	Hamlin, IA
ZIP code 50025	9.7 mi	Audubon, IA
ZIP code 50076	11 mi	Exira, IA
ZIP code 51446	12 mi	Irwin, IA
ZIP code 51552	13 mi	Marne, IA
ZIP code 51447	13 mi	Kirkman, 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 51543, plotted from its record coordinates.

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

Scope ZIP code 51543. 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.