ZIP Code 54621

54621 is one of Wisconsin's ZIP codes, delivering to addresses in Chaseburg, Vernon County.

City: Chaseburg
County: Vernon County
State: Wisconsin
Prefix: 546xx

Where this code sits

54621 is part of the 546xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Chaseburg.

Chaseburg Wisconsin ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 54621 delivers to without sharing its boundary.

ZIP codes nearest 54621

The ZIP codes whose reference points sit closest to 54621.
ZIP code	Distance	Delivers to
ZIP code 54623	4.4 mi	Coon Valley, WI
ZIP code 54658	5.7 mi	Stoddard, WI
ZIP code 54632	8.6 mi	Genoa, WI
ZIP code 54667	10 mi	Westby, WI
ZIP code 54601	11 mi	La Crosse, WI
ZIP code 55919	11 mi	Brownsville, MN
ZIP code 54665	13 mi	Viroqua, WI
ZIP code 54614	14 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 54621, plotted from its record coordinates.

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

Scope ZIP code 54621. 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.