ZIP Code 54937

54937 is one of Wisconsin's ZIP codes, delivering to addresses in Fond Du Lac, Fond du Lac County.

City: Fond Du Lac
County: Fond du Lac County
State: Wisconsin
Prefix: 549xx

Where this code sits

54937 is part of the 549xx range, the group of codes handled by one mail processing centre. Fond Du Lac is served by 3 ZIP codes in total; the full list, with the county each falls in, is on the Fond Du Lac page.

Fond Du Lac Wisconsin ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 54937 delivers to without sharing its boundary.

ZIP codes nearest 54937

The ZIP codes whose reference points sit closest to 54937.
ZIP code	Distance	Delivers to
ZIP code 54974	2.4 mi	Rosendale, WI
ZIP code 54932	5.5 mi	Eldorado, WI
ZIP code 53065	6.0 mi	Oakfield, WI
ZIP code 54936	8.4 mi	Fond Du Lac, WI
ZIP code 54935	8.5 mi	Fond Du Lac, WI
ZIP code 54979	8.9 mi	Van Dyne, WI
ZIP code 53919	9.3 mi	Brandon, WI
ZIP code 54964	11 mi	Pickett, 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 54937, plotted from its record coordinates.

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

Scope ZIP code 54937. 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.