ZIP Code 53191

53191 is one of Wisconsin's ZIP codes, delivering to addresses in Williams Bay, Walworth County.

City: Williams Bay
County: Walworth County
State: Wisconsin
Prefix: 531xx

Where this code sits

53191 is part of the 531xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Williams Bay.

Williams Bay Wisconsin ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 53191 delivers to without sharing its boundary.

262 Area code 262

ZIP codes nearest 53191

The ZIP codes whose reference points sit closest to 53191.
ZIP code	Distance	Delivers to
ZIP code 53125	2.7 mi	Fontana, WI
ZIP code 53184	4.2 mi	Walworth, WI
ZIP code 53147	4.5 mi	Lake Geneva, WI
ZIP code 53195	5.3 mi	Zenda, WI
ZIP code 53115	5.3 mi	Delavan, WI
ZIP code 53176	7.7 mi	Springfield, WI
ZIP code 53121	8.6 mi	Elkhorn, WI
ZIP code 53157	9.7 mi	Pell Lake, 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 53191, plotted from its record coordinates.

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

Scope ZIP code 53191. 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.