ZIP Code 80031

80031 is one of Colorado's ZIP codes, delivering to addresses in Westminster, Adams County.

City: Westminster
County: Adams County
State: Colorado
Prefix: 800xx

Where this code sits

80031 is part of the 800xx range, the group of codes handled by one mail processing centre. Westminster is served by 4 ZIP codes in total; the full list, with the county each falls in, is on the Westminster page.

Westminster Colorado ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 80031 delivers to without sharing its boundary.

ZIP codes nearest 80031

The ZIP codes whose reference points sit closest to 80031.
ZIP code	Distance	Delivers to
ZIP code 80260	1.7 mi	Denver, CO
ZIP code 80035	2.7 mi	Westminster, CO
ZIP code 80036	2.7 mi	Westminster, CO
ZIP code 80234	2.8 mi	Denver, CO
ZIP code 80030	3.1 mi	Westminster, CO
ZIP code 80221	3.2 mi	Denver, CO
ZIP code 80241	3.4 mi	Thornton, CO
ZIP code 80003	3.6 mi	Arvada, CO

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 80031, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 80031. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.