ZIP Code 54666

54666 is one of Wisconsin's ZIP codes, delivering to addresses in Warrens, Monroe County.

City: Warrens
County: Monroe County
State: Wisconsin
Prefix: 546xx

Where this code sits

54666 is part of the 546xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Warrens.

Warrens Wisconsin ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 54666 delivers to without sharing its boundary.

ZIP codes nearest 54666

The ZIP codes whose reference points sit closest to 54666.
ZIP code	Distance	Delivers to
ZIP code 54643	7.2 mi	Millston, WI
ZIP code 54641	9.4 mi	Mather, WI
ZIP code 54662	11 mi	Tunnel City, WI
ZIP code 54660	12 mi	Tomah, WI
ZIP code 54649	15 mi	Oakdale, WI
ZIP code 54618	17 mi	Camp Douglas, WI
ZIP code 54620	18 mi	Cataract, WI
ZIP code 54615	19 mi	Black River Falls, 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 54666, plotted from its record coordinates.

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

Scope ZIP code 54666. 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.