ZIP Code 53806

53806 is one of Wisconsin's ZIP codes, delivering to addresses in Cassville, Grant County.

City: Cassville
County: Grant County
State: Wisconsin
Prefix: 538xx

Where this code sits

53806 is part of the 538xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Cassville.

Cassville Wisconsin ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 53806 delivers to without sharing its boundary.

ZIP codes nearest 53806

The ZIP codes whose reference points sit closest to 53806.
ZIP code	Distance	Delivers to
ZIP code 52066	3.5 mi	North Buena Vista, IA
ZIP code 53802	6.0 mi	Beetown, WI
ZIP code 53810	6.6 mi	Glen Haven, WI
ZIP code 52052	8.3 mi	Guttenberg, IA
ZIP code 52053	10 mi	Holy Cross, IA
ZIP code 53804	10 mi	Bloomington, WI
ZIP code 52073	11 mi	Sherrill, IA
ZIP code 52056	12 mi	Luxemburg, 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 53806, plotted from its record coordinates.

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

Scope ZIP code 53806. 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.