ZIP Code 80421

80421 is one of Colorado's ZIP codes, delivering to addresses in Bailey, Park County.

City: Bailey
County: Park County
State: Colorado
Prefix: 804xx

Where this code sits

80421 is part of the 804xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Bailey.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 80421 delivers to without sharing its boundary.

ZIP codes nearest 80421

The ZIP codes whose reference points sit closest to 80421.
ZIP code	Distance	Delivers to
ZIP code 80475	4.9 mi	Shawnee, CO
ZIP code 80470	5.2 mi	Pine, CO
ZIP code 80433	9.5 mi	Conifer, CO
ZIP code 80448	10 mi	Grant, CO
ZIP code 80425	11 mi	Buffalo Creek, CO
ZIP code 80162	14 mi	Littleton, CO
ZIP code 80419	14 mi	Golden, CO
ZIP code 80437	14 mi	Evergreen, 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 80421, plotted from its record coordinates.

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

Scope ZIP code 80421. 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.