Dolores County ZIP Codes

Dolores County is a county of Colorado.

ZIP codes: 3
Cities & towns: 3
Area codes: 2
Land area: 1,067 sq mi

Every ZIP code in Dolores County

813xx

The complete list of Dolores County, CO ZIP codes with the city each one delivers to.
ZIP code	City
81320	Cahone
81324	Dove Creek
81332	Rico

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Dolores County

A further 1 place in Dolores 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 Dolores County

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

Where Dolores County's ZIP codes sit

Each point is the reference point of one Dolores 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 Dolores 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.