ZIP Code 54656

54656 is one of Wisconsin's ZIP codes, delivering to addresses in Sparta, Monroe County.

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

Where this code sits

54656 is part of the 546xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Sparta.

Sparta Wisconsin ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 54656 delivers to without sharing its boundary.

ZIP codes nearest 54656

The ZIP codes whose reference points sit closest to 54656.
ZIP code	Distance	Delivers to
ZIP code 54653	6.2 mi	Rockland, WI
ZIP code 54620	9.3 mi	Cataract, WI
ZIP code 54614	10 mi	Bangor, WI
ZIP code 54648	12 mi	Norwalk, WI
ZIP code 54662	13 mi	Tunnel City, WI
ZIP code 54644	13 mi	Mindoro, WI
ZIP code 54669	14 mi	West Salem, WI
ZIP code 54619	15 mi	Cashton, 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 54656, plotted from its record coordinates.

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

Scope ZIP code 54656. 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.