Rio Grande County ZIP Codes

Rio Grande County is a county of Colorado.

ZIP codes: 4
Cities & towns: 4
Area codes: 1
Land area: 912 sq mi

Every ZIP code in Rio Grande County

811xx

The complete list of Rio Grande County, CO ZIP codes with the city each one delivers to.
ZIP code	City
81132	Del Norte
81135	Homelake
81144	Monte Vista
81154	South Fork

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Rio Grande County

A further 1 place in Rio Grande 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 Rio Grande County

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

719 Area code 719

Where Rio Grande County's ZIP codes sit

Each point is the reference point of one Rio Grande 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 Rio Grande 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.