ZIP Code 54539

54539 is one of Wisconsin's ZIP codes, delivering to addresses in Lake Tomahawk, Oneida County.

City: Lake Tomahawk
County: Oneida County
State: Wisconsin
Prefix: 545xx

Where this code sits

54539 is part of the 545xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Lake Tomahawk.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 54539 delivers to without sharing its boundary.

ZIP codes nearest 54539

The ZIP codes whose reference points sit closest to 54539.
ZIP code	Distance	Delivers to
ZIP code 54543	5.7 mi	Mc Naughton, WI
ZIP code 54531	8.1 mi	Hazelhurst, WI
ZIP code 54558	9.3 mi	Saint Germain, WI
ZIP code 54529	9.3 mi	Harshaw, WI
ZIP code 54568	9.5 mi	Woodruff, WI
ZIP code 54548	9.6 mi	Minocqua, WI
ZIP code 54501	12 mi	Rhinelander, WI
ZIP code 54560	13 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 54539, plotted from its record coordinates.

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

Scope ZIP code 54539. 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.