ZIP Code 53040

53040 is one of Wisconsin's ZIP codes, delivering to addresses in Kewaskum, Washington County.

City: Kewaskum
County: Washington County
State: Wisconsin
Prefix: 530xx

Where this code sits

53040 is part of the 530xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Kewaskum.

Kewaskum Wisconsin ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 53040 delivers to without sharing its boundary.

262 Area code 262

ZIP codes nearest 53040

The ZIP codes whose reference points sit closest to 53040.
ZIP code	Distance	Delivers to
ZIP code 53090	5.4 mi	West Bend, WI
ZIP code 53095	6.9 mi	West Bend, WI
ZIP code 53010	7.0 mi	Campbellsport, WI
ZIP code 53002	8.9 mi	Allenton, WI
ZIP code 53060	8.9 mi	Newburg, WI
ZIP code 53001	11 mi	Adell, WI
ZIP code 53011	11 mi	Cascade, WI
ZIP code 53075	11 mi	Random 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 53040, plotted from its record coordinates.

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

Scope ZIP code 53040. 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.