ZIP Code 53003

53003 is one of Wisconsin's ZIP codes, delivering to addresses in Ashippun, Dodge County.

City: Ashippun
County: Dodge County
State: Wisconsin
Prefix: 530xx

Where this code sits

53003 is part of the 530xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Ashippun.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 53003 delivers to without sharing its boundary.

ZIP codes nearest 53003

The ZIP codes whose reference points sit closest to 53003.
ZIP code	Distance	Delivers to
ZIP code 53036	5.7 mi	Ixonia, WI
ZIP code 53059	5.9 mi	Neosho, WI
ZIP code 53047	6.4 mi	Lebanon, WI
ZIP code 53066	7.2 mi	Oconomowoc, WI
ZIP code 53078	7.6 mi	Rubicon, WI
ZIP code 53069	8.0 mi	Okauchee, WI
ZIP code 53064	8.3 mi	North Lake, WI
ZIP code 53058	8.8 mi	Nashotah, 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 53003, plotted from its record coordinates.

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

Scope ZIP code 53003. 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.