ZIP Code 53121

53121 is one of Wisconsin's ZIP codes, delivering to addresses in Elkhorn, Walworth County.

City: Elkhorn
County: Walworth County
State: Wisconsin
Prefix: 531xx

Where this code sits

53121 is part of the 531xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Elkhorn.

Elkhorn Wisconsin ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 53121 delivers to without sharing its boundary.

262 Area code 262

ZIP codes nearest 53121

The ZIP codes whose reference points sit closest to 53121.
ZIP code	Distance	Delivers to
ZIP code 53115	6.8 mi	Delavan, WI
ZIP code 53176	8.0 mi	Springfield, WI
ZIP code 53191	8.6 mi	Williams Bay, WI
ZIP code 53147	9.1 mi	Lake Geneva, WI
ZIP code 53120	9.9 mi	East Troy, WI
ZIP code 53148	10 mi	Lyons, WI
ZIP code 53125	11 mi	Fontana, WI
ZIP code 53184	12 mi	Walworth, WI

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 53121, plotted from its record coordinates.

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

Scope ZIP code 53121. 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.