ZIP Code 54442

54442 is one of Wisconsin's ZIP codes, delivering to addresses in Irma, Lincoln County.

City: Irma
County: Lincoln County
State: Wisconsin
Prefix: 544xx

Where this code sits

54442 is part of the 544xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Irma.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 54442 delivers to without sharing its boundary.

ZIP codes nearest 54442

The ZIP codes whose reference points sit closest to 54442.
ZIP code	Distance	Delivers to
ZIP code 54435	9.0 mi	Gleason, WI
ZIP code 54487	11 mi	Tomahawk, WI
ZIP code 54452	12 mi	Merrill, WI
ZIP code 54532	14 mi	Heafford Junction, WI
ZIP code 54485	22 mi	Summit Lake, WI
ZIP code 54417	22 mi	Brokaw, WI
ZIP code 54564	23 mi	Tripoli, WI
ZIP code 54529	23 mi	Harshaw, 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 54442, plotted from its record coordinates.

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

Scope ZIP code 54442. 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.