City · Colorado · United States

Westminster, CO — ZIP codes

4 ZIP codes · Adams County

City: Westminster
County: Adams
State: Colorado
Country: United States
Postal codes: 80030800318003580036
Single source
Coordinates: 39.8302, -105.0370 View on OpenStreetMap

ZIP codes (4)

Postal code	Place name	Verification
80030	Westminster	Single source
80031	Westminster	Single source
80035	Westminster	Single source
80036	Westminster	Single source

Sources and verification

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames. Last generated : 2026-08-21. Report an error.