ZIP Code 53178

53178 is one of Wisconsin's ZIP codes, delivering to addresses in Sullivan, Jefferson County.

City: Sullivan
County: Jefferson County
State: Wisconsin
Prefix: 531xx

Where this code sits

53178 is part of the 531xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Sullivan.

Sullivan Wisconsin ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 53178 delivers to without sharing its boundary.

262 Area code 262

ZIP codes nearest 53178

The ZIP codes whose reference points sit closest to 53178.
ZIP code	Distance	Delivers to
ZIP code 53137	3.6 mi	Helenville, WI
ZIP code 53118	6.7 mi	Dousman, WI
ZIP code 53156	8.2 mi	Palmyra, WI
ZIP code 53066	9.7 mi	Oconomowoc, WI
ZIP code 53036	10 mi	Ixonia, WI
ZIP code 53549	10 mi	Jefferson, WI
ZIP code 53038	11 mi	Johnson Creek, WI
ZIP code 53119	11 mi	Eagle, 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 53178, plotted from its record coordinates.

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

Scope ZIP code 53178. 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.