ZIP Code 54648

54648 is one of Wisconsin's ZIP codes, delivering to addresses in Norwalk, Monroe County.

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

Where this code sits

54648 is part of the 546xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Norwalk.

Norwalk Wisconsin ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 54648 delivers to without sharing its boundary.

ZIP codes nearest 54648

The ZIP codes whose reference points sit closest to 54648.
ZIP code	Distance	Delivers to
ZIP code 54619	6.2 mi	Cashton, WI
ZIP code 54651	7.2 mi	Ontario, WI
ZIP code 54670	8.3 mi	Wilton, WI
ZIP code 54656	12 mi	Sparta, WI
ZIP code 54653	14 mi	Rockland, WI
ZIP code 54667	14 mi	Westby, WI
ZIP code 54662	14 mi	Tunnel City, WI
ZIP code 54639	15 mi	La Farge, 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 54648, plotted from its record coordinates.

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

Scope ZIP code 54648. 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.