ZIP Code 80241

80241 is one of Colorado's ZIP codes, delivering to addresses in Thornton, Adams County.

City: Thornton
County: Adams County
State: Colorado
Prefix: 802xx

Where this code sits

80241 is part of the 802xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Thornton.

Thornton Colorado ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 80241 delivers to without sharing its boundary.

ZIP codes nearest 80241

The ZIP codes whose reference points sit closest to 80241.
ZIP code	Distance	Delivers to
ZIP code 80260	1.7 mi	Denver, CO
ZIP code 80221	2.5 mi	Denver, CO
ZIP code 80229	2.6 mi	Denver, CO
ZIP code 80233	2.8 mi	Denver, CO
ZIP code 80024	3.3 mi	Dupont, CO
ZIP code 80031	3.4 mi	Westminster, CO
ZIP code 80234	3.6 mi	Denver, CO
ZIP code 80614	3.9 mi	Eastlake, 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 80241, plotted from its record coordinates.

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

Scope ZIP code 80241. 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.