ZIP Code 53503

53503 is one of Wisconsin's ZIP codes, delivering to addresses in Arena, Iowa County.

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

Where this code sits

53503 is part of the 535xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Arena.

Arena Wisconsin ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 53503 delivers to without sharing its boundary.

ZIP codes nearest 53503

The ZIP codes whose reference points sit closest to 53503.
ZIP code	Distance	Delivers to
ZIP code 53588	7.0 mi	Spring Green, WI
ZIP code 53560	9.1 mi	Mazomanie, WI
ZIP code 53507	9.6 mi	Barneveld, WI
ZIP code 53515	10 mi	Black Earth, WI
ZIP code 53582	10 mi	Ridgeway, WI
ZIP code 53577	11 mi	Plain, WI
ZIP code 53517	11 mi	Blue Mounds, WI
ZIP code 53583	13 mi	Sauk City, 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 53503, plotted from its record coordinates.

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

Scope ZIP code 53503. 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.