ZIP Code 54540

54540 is one of Wisconsin's ZIP codes, delivering to addresses in Land O Lakes, Vilas County.

City: Land O Lakes
County: Vilas County
State: Wisconsin
Prefix: 545xx

Where this code sits

54540 is part of the 545xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Land O Lakes.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 54540 delivers to without sharing its boundary.

ZIP codes nearest 54540

The ZIP codes whose reference points sit closest to 54540.
ZIP code	Distance	Delivers to
ZIP code 49969	8.6 mi	Watersmeet, MI
ZIP code 54519	8.7 mi	Conover, WI
ZIP code 54561	10 mi	Star Lake, WI
ZIP code 54554	13 mi	Phelps, WI
ZIP code 54560	15 mi	Sayner, WI
ZIP code 54512	15 mi	Boulder Junction, WI
ZIP code 54521	17 mi	Eagle River, WI
ZIP code 54558	18 mi	Saint Germain, 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 54540, plotted from its record coordinates.

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

Scope ZIP code 54540. 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.