ZIP Code 54620

54620 is one of Wisconsin's ZIP codes, delivering to addresses in Cataract, Monroe County.

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

Where this code sits

54620 is part of the 546xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Cataract.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 54620 delivers to without sharing its boundary.

ZIP codes nearest 54620

The ZIP codes whose reference points sit closest to 54620.
ZIP code	Distance	Delivers to
ZIP code 54656	9.3 mi	Sparta, WI
ZIP code 54642	11 mi	Melrose, WI
ZIP code 54644	12 mi	Mindoro, WI
ZIP code 54643	12 mi	Millston, WI
ZIP code 54653	13 mi	Rockland, WI
ZIP code 54615	14 mi	Black River Falls, WI
ZIP code 54662	15 mi	Tunnel City, WI
ZIP code 54614	17 mi	Bangor, 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 54620, plotted from its record coordinates.

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

Scope ZIP code 54620. 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.