ZIP Code 54858

54858 is one of Wisconsin's ZIP codes, delivering to addresses in Milltown, Polk County.

City: Milltown
County: Polk County
State: Wisconsin
Prefix: 548xx

Where this code sits

54858 is part of the 548xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Milltown.

Milltown Wisconsin ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 54858 delivers to without sharing its boundary.

ZIP codes nearest 54858

The ZIP codes whose reference points sit closest to 54858.
ZIP code	Distance	Delivers to
ZIP code 54853	4.6 mi	Luck, WI
ZIP code 54024	5.5 mi	Saint Croix Falls, WI
ZIP code 54824	5.9 mi	Centuria, WI
ZIP code 54810	6.3 mi	Balsam Lake, WI
ZIP code 54006	6.4 mi	Cushing, WI
ZIP code 55084	12 mi	Taylors Falls, MN
ZIP code 54009	12 mi	Dresser, WI
ZIP code 54837	12 mi	Frederic, 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 54858, plotted from its record coordinates.

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

Scope ZIP code 54858. 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.