Milwaukee County ZIP Codes

Milwaukee County is a county of Wisconsin.

ZIP codes
48
Cities & towns
8
Area codes
4
Land area
241 sq mi

Every ZIP code in Milwaukee County

531xx–532xx
The complete list of Milwaukee County, WI ZIP codes with the city each one delivers to.
ZIP codeCity
53110Cudahy
53129Greendale
53130Hales Corners
53132Franklin
53154Oak Creek
53172South Milwaukee
53201Milwaukee
53202Milwaukee
53203Milwaukee
53204Milwaukee
53205Milwaukee
53206Milwaukee
53207Milwaukee
53208Milwaukee
53209Milwaukee
53210Milwaukee
53211Milwaukee
53212Milwaukee
53213Milwaukee
53214Milwaukee
53215Milwaukee
53216Milwaukee
53217Milwaukee
53218Milwaukee
53219Milwaukee
53220Milwaukee
53221Milwaukee
53222Milwaukee
53223Milwaukee
53224Milwaukee
53225Milwaukee
53226Milwaukee
53227Milwaukee
53228Milwaukee
53233Milwaukee
53234Milwaukee
53235Saint Francis
53237Milwaukee
53259Milwaukee
53263Milwaukee
53267Milwaukee
53268Milwaukee
53274Milwaukee
53278Milwaukee
53288Milwaukee
53290Milwaukee
53293Milwaukee
53295Milwaukee

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Milwaukee County codes above are listed without a column we would have to invent.

Cities and towns in Milwaukee County

A further 1 place in Milwaukee County appears in the postal source without a page of its own; its codes are in the table above and each one links to its own page.

Area codes covering Milwaukee County

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

Where Milwaukee County's ZIP codes sit

Each point is the reference point of one Milwaukee 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 Milwaukee 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 . The outline is a convex envelope of ZIP reference points, not a jurisdiction boundary.