ZIP Code 54159

54159 is one of Wisconsin's ZIP codes, delivering to addresses in Porterfield, Marinette County.

City: Porterfield
County: Marinette County
State: Wisconsin
Prefix: 541xx

Where this code sits

54159 is part of the 541xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Porterfield.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 54159 delivers to without sharing its boundary.

ZIP codes nearest 54159

The ZIP codes whose reference points sit closest to 54159.
ZIP code	Distance	Delivers to
ZIP code 49858	9.9 mi	Menominee, MI
ZIP code 54143	9.9 mi	Marinette, WI
ZIP code 54157	10 mi	Peshtigo, WI
ZIP code 54177	12 mi	Wausaukee, WI
ZIP code 49893	13 mi	Wallace, MI
ZIP code 54114	14 mi	Crivitz, WI
ZIP code 54112	15 mi	Coleman, WI
ZIP code 49848	15 mi	Ingalls, MI

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 54159, plotted from its record coordinates.

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

Scope ZIP code 54159. 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.