Fillmore County ZIP Codes

Fillmore County is a county of Minnesota.

ZIP codes: 12
Cities & towns: 12
Area codes: 2
Land area: 861 sq mi

Every ZIP code in Fillmore County

559xx

The complete list of Fillmore County, MN ZIP codes with the city each one delivers to.
ZIP code	City
55922	Canton
55923	Chatfield
55935	Fountain
55939	Harmony
55949	Lanesboro
55954	Mabel
55961	Ostrander
55962	Peterson
55965	Preston
55971	Rushford
55975	Spring Valley
55990	Wykoff

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Fillmore County

Area codes covering Fillmore County

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

Where Fillmore County's ZIP codes sit

Each point is the reference point of one Fillmore 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 Fillmore 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.