ZIP Code 54558

54558 is one of Wisconsin's ZIP codes, delivering to addresses in Saint Germain, Vilas County.

City: Saint Germain
County: Vilas County
State: Wisconsin
Prefix: 545xx

Where this code sits

54558 is part of the 545xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Saint Germain.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 54558 delivers to without sharing its boundary.

ZIP codes nearest 54558

The ZIP codes whose reference points sit closest to 54558.
ZIP code	Distance	Delivers to
ZIP code 54560	5.0 mi	Sayner, WI
ZIP code 54539	9.3 mi	Lake Tomahawk, WI
ZIP code 54561	9.9 mi	Star Lake, WI
ZIP code 54568	10 mi	Woodruff, WI
ZIP code 54521	11 mi	Eagle River, WI
ZIP code 54548	13 mi	Minocqua, WI
ZIP code 54543	14 mi	Mc Naughton, WI
ZIP code 54519	15 mi	Conover, 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 54558, plotted from its record coordinates.

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

Scope ZIP code 54558. 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.