Postal reference / United States

54123Forest Junction, Wisconsin

ZIP code 54123 is a United States postal code for Forest Junction, Wisconsin. Its county association is Calumet County. The map reference point is at 44.2125, -88.1443.

State / territory
Wisconsin
Recorded place name
Forest Junction
County association
Calumet
Estimated coordinate
44.2125, -88.1443
View on OpenStreetMap
ZIP prefix
541 · 56 ZIP codes share it
Data source
GeoNames postal reference, snapshot September 26, 2026

GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.

Area

Land area
0.733 sq mi (2023 Census Gazetteer)

Figures are for the ZIP Code Tabulation Area (ZCTA) that most closely matches this ZIP code, not an exact match to USPS delivery boundaries. Source: U.S. Census Bureau, 2023 Gazetteer + 2023 ACS 5-Year Estimates, retrieved 2026-09-27. How to read this data.

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Nearby ZIP code reference points

ZIP codePlaceStateCounty associationMiles
54110BrillionWICalumet3.9
54129HilbertWICalumet6.7
54160PotterWICalumet6.8
54169SherwoodWICalumet7.1
54180WrightstownWIBrown8.0
54126GreenleafWIBrown8.1
54130KaukaunaWIOutagamie8.5
54113Combined LocksWIOutagamie9.2

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