ZIP Code 53506

53506 is one of Wisconsin's ZIP codes, delivering to addresses in Avoca, Iowa County.

City: Avoca
County: Iowa County
State: Wisconsin
Prefix: 535xx

Where this code sits

53506 is part of the 535xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Avoca.

Avoca Wisconsin ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 53506 delivers to without sharing its boundary.

ZIP codes nearest 53506

The ZIP codes whose reference points sit closest to 53506.
ZIP code	Distance	Delivers to
ZIP code 53540	4.6 mi	Gotham, WI
ZIP code 53556	5.2 mi	Lone Rock, WI
ZIP code 53543	8.2 mi	Highland, WI
ZIP code 53584	8.5 mi	Sextonville, WI
ZIP code 53573	9.2 mi	Muscoda, WI
ZIP code 53588	11 mi	Spring Green, WI
ZIP code 53535	13 mi	Edmund, WI
ZIP code 53526	13 mi	Cobb, 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 53506, plotted from its record coordinates.

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

Scope ZIP code 53506. 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.