ZIP Code 53538

53538 is one of Wisconsin's ZIP codes, delivering to addresses in Fort Atkinson, Jefferson County.

City: Fort Atkinson
County: Jefferson County
State: Wisconsin
Prefix: 535xx

Where this code sits

53538 is part of the 535xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Fort Atkinson.

Fort Atkinson Wisconsin ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 53538 delivers to without sharing its boundary.

ZIP codes nearest 53538

The ZIP codes whose reference points sit closest to 53538.
ZIP code	Distance	Delivers to
ZIP code 53549	5.7 mi	Jefferson, WI
ZIP code 53190	8.4 mi	Whitewater, WI
ZIP code 53523	10 mi	Cambridge, WI
ZIP code 53137	11 mi	Helenville, WI
ZIP code 53038	11 mi	Johnson Creek, WI
ZIP code 53563	11 mi	Milton, WI
ZIP code 53551	12 mi	Lake Mills, WI
ZIP code 53534	13 mi	Edgerton, 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 53538, plotted from its record coordinates.

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

Scope ZIP code 53538. 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.