ZIP Code 53172

53172 is one of Wisconsin's ZIP codes, delivering to addresses in South Milwaukee, Milwaukee County.

City: South Milwaukee
County: Milwaukee County
State: Wisconsin
Prefix: 531xx

Where this code sits

53172 is part of the 531xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to South Milwaukee.

South Milwaukee Wisconsin ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 53172 delivers to without sharing its boundary.

414 Area code 414

ZIP codes nearest 53172

The ZIP codes whose reference points sit closest to 53172.
ZIP code	Distance	Delivers to
ZIP code 53154	2.4 mi	Oak Creek, WI
ZIP code 53110	2.7 mi	Cudahy, WI
ZIP code 53235	4.3 mi	Saint Francis, WI
ZIP code 53207	4.7 mi	Milwaukee, WI
ZIP code 53221	5.1 mi	Milwaukee, WI
ZIP code 53108	6.3 mi	Caledonia, WI
ZIP code 53129	6.8 mi	Greendale, WI
ZIP code 53220	7.2 mi	Milwaukee, 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 53172, plotted from its record coordinates.

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

Scope ZIP code 53172. 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.