ZIP Code 54538

54538 is one of Wisconsin's ZIP codes, delivering to addresses in Lac Du Flambeau, Vilas County.

City: Lac Du Flambeau
County: Vilas County
State: Wisconsin
Prefix: 545xx

Where this code sits

54538 is part of the 545xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Lac Du Flambeau.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 54538 delivers to without sharing its boundary.

ZIP codes nearest 54538

The ZIP codes whose reference points sit closest to 54538.
ZIP code	Distance	Delivers to
ZIP code 54548	9.4 mi	Minocqua, WI
ZIP code 54568	10 mi	Woodruff, WI
ZIP code 54545	13 mi	Manitowish Waters, WI
ZIP code 54531	15 mi	Hazelhurst, WI
ZIP code 54512	16 mi	Boulder Junction, WI
ZIP code 54547	16 mi	Mercer, WI
ZIP code 54557	17 mi	Presque Isle, WI
ZIP code 54560	18 mi	Sayner, 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 54538, plotted from its record coordinates.

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

Scope ZIP code 54538. 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.