ZIP Code 54025

54025 is one of Wisconsin's ZIP codes, delivering to addresses in Somerset, St. Croix County.

City: Somerset
County: St. Croix County
State: Wisconsin
Prefix: 540xx

Where this code sits

54025 is part of the 540xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Somerset.

Somerset Wisconsin ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 54025 delivers to without sharing its boundary.

ZIP codes nearest 54025

The ZIP codes whose reference points sit closest to 54025.
ZIP code	Distance	Delivers to
ZIP code 54082	5.8 mi	Houlton, WI
ZIP code 54017	7.3 mi	New Richmond, WI
ZIP code 54026	8.1 mi	Star Prairie, WI
ZIP code 55047	8.2 mi	Marine On Saint Croix, MN
ZIP code 55003	9.1 mi	Bayport, MN
ZIP code 55082	9.3 mi	Stillwater, MN
ZIP code 54016	11 mi	Hudson, WI
ZIP code 55073	12 mi	Scandia, MN

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 54025, plotted from its record coordinates.

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

Scope ZIP code 54025. 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.