ZIP Code 80603

80603 is one of Colorado's ZIP codes, delivering to addresses in Brighton, Adams County.

City: Brighton
County: Adams County
State: Colorado
Prefix: 806xx

Where this code sits

80603 is part of the 806xx range, the group of codes handled by one mail processing centre. Brighton is served by 3 ZIP codes in total; the full list, with the county each falls in, is on the Brighton page.

Brighton Colorado ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 80603 delivers to without sharing its boundary.

ZIP codes nearest 80603

The ZIP codes whose reference points sit closest to 80603.
ZIP code	Distance	Delivers to
ZIP code 80601	0.9 mi	Brighton, CO
ZIP code 80640	6.3 mi	Henderson, CO
ZIP code 80602	7.1 mi	Brighton, CO
ZIP code 80233	9.5 mi	Denver, CO
ZIP code 80229	9.8 mi	Denver, CO
ZIP code 80642	9.9 mi	Hudson, CO
ZIP code 80614	10 mi	Eastlake, CO
ZIP code 80024	11 mi	Dupont, 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 80603, plotted from its record coordinates.

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

Scope ZIP code 80603. 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.