Adams County ZIP Codes

Adams County is a county of Colorado.

ZIP codes
26
Cities & towns
12
Area codes
3
Land area
1,167 sq mi

Every ZIP code in Adams County

800xx–806xx
The complete list of Adams County, CO ZIP codes with the city each one delivers to.
ZIP codeCity
80011Aurora
80019Aurora
80022Commerce City
80024Dupont
80030Westminster
80031Westminster
80035Westminster
80036Westminster
80037Commerce City
80040Aurora
80042Aurora
80045Aurora
80102Bennett
80136Strasburg
80137Watkins
80221Denver
80229Denver
80233Denver
80234Denver
80241Thornton
80260Denver
80601Brighton
80602Brighton
80603Brighton
80614Eastlake
80640Henderson

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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

Cities and towns in Adams County

A further 5 places in Adams 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 Adams County

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

Where Adams County's ZIP codes sit

Each point is the reference point of one Adams 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 Adams 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 . The outline is a convex envelope of ZIP reference points, not a jurisdiction boundary.