Rice County ZIP Codes

Rice County is a county of Minnesota.

ZIP codes: 8
Cities & towns: 8
Area codes: 3
Land area: 496 sq mi

Every ZIP code in Rice County

550xx

The complete list of Rice County, MN ZIP codes with the city each one delivers to.
ZIP code	City
55019	Dundas
55021	Faribault
55046	Lonsdale
55052	Morristown
55053	Nerstrand
55057	Northfield
55087	Warsaw
55088	Webster

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Rice County

A further 2 places in Rice 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 Rice County

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

Where Rice County's ZIP codes sit

Each point is the reference point of one Rice 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 Rice 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.