ZIP Code 80621

80621 is one of Colorado's ZIP codes, delivering to addresses in Fort Lupton, Weld County.

City: Fort Lupton
County: Weld County
State: Colorado
Prefix: 806xx

Where this code sits

80621 is part of the 806xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Fort Lupton.

Fort Lupton Colorado ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 80621 delivers to without sharing its boundary.

ZIP codes nearest 80621

The ZIP codes whose reference points sit closest to 80621.
ZIP code	Distance	Delivers to
ZIP code 80530	6.8 mi	Frederick, CO
ZIP code 80514	7.0 mi	Dacono, CO
ZIP code 80520	7.2 mi	Firestone, CO
ZIP code 80651	7.3 mi	Platteville, CO
ZIP code 80504	8.0 mi	Longmont, CO
ZIP code 80642	8.5 mi	Hudson, CO
ZIP code 80603	11 mi	Brighton, CO
ZIP code 80601	11 mi	Brighton, 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 80621, plotted from its record coordinates.

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

Scope ZIP code 80621. 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.