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ZIP codes in Adams County, Colorado

Adams County, Colorado has 26 ZIP codes in this list, from 80011 to 80640. They cover 12 places, among them Aurora, Denver, Westminster and Brighton.

The ZIP code areas of Adams County add up to about 948 square miles of land (2,454 sq km) as the Census Bureau draws them. The largest is 80102 (Bennett), with 294 square miles.

Places with more than one code here: Aurora (5 codes), Denver (5 codes), Westminster (4 codes).

Using these codes

Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.

All of Colorado ZIP look-up