Bayfield County ZIP Codes

Bayfield County is a county of Wisconsin.

ZIP codes: 11
Cities & towns: 11
Area codes: 2
Land area: 1,478 sq mi

Every ZIP code in Bayfield County

548xx

The complete list of Bayfield County, WI ZIP codes with the city each one delivers to.
ZIP code	City
54814	Bayfield
54816	Benoit
54821	Cable
54827	Cornucopia
54832	Drummond
54839	Grand View
54844	Herbster
54847	Iron River
54856	Mason
54865	Port Wing
54891	Washburn

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Bayfield County

A further 8 places in Bayfield 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 Bayfield County

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

Where Bayfield County's ZIP codes sit

Each point is the reference point of one Bayfield 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 Bayfield 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.