Pierce County ZIP Codes

Pierce County is a county of Wisconsin.

ZIP codes: 11
Cities & towns: 11
Area codes: 2
Land area: 574 sq mi

Every ZIP code in Pierce County

540xx–547xx

The complete list of Pierce County, WI ZIP codes with the city each one delivers to.
ZIP code	City
54003	Beldenville
54010	East Ellsworth
54011	Ellsworth
54014	Hager City
54021	Prescott
54022	River Falls
54723	Bay City
54740	Elmwood
54750	Maiden Rock
54761	Plum City
54767	Spring Valley

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Pierce County codes above are listed without a column we would have to invent.

Cities and towns in Pierce County

A further 3 places in Pierce County appear in the postal source without a page of its own; their codes are in the table above and each one links to its own page.

Area codes covering Pierce County

Telephone and postal boundaries are drawn by different bodies, so these codes overlap the county without matching its edges.

Where Pierce County's ZIP codes sit

Each point is the reference point of one Pierce County ZIP code, plotted from its record coordinates. The outline is the convex envelope of those points — a footprint, not a boundary.

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

Scope every ZIP code recorded in Pierce County. Source GeoNames US postal codes (2026-07 postal dump), Census 2024 county Gazetteer (2024 Gazetteer) and geoinfo-dataset (full_dataset) ZIP→NPA (2018 snapshot). Updated 16 July 2026. The outline is a convex envelope of ZIP reference points, not a jurisdiction boundary.