ZIP Code 80456

80456 is one of Colorado's ZIP codes, delivering to addresses in Jefferson, Park County.

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

Where this code sits

80456 is part of the 804xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Jefferson.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 80456 delivers to without sharing its boundary.

719 Area code 719

ZIP codes nearest 80456

The ZIP codes whose reference points sit closest to 80456.
ZIP code	Distance	Delivers to
ZIP code 80432	11 mi	Como, CO
ZIP code 80475	12 mi	Shawnee, CO
ZIP code 80448	13 mi	Grant, CO
ZIP code 80421	17 mi	Bailey, CO
ZIP code 80440	17 mi	Fairplay, CO
ZIP code 80420	20 mi	Alma, CO
ZIP code 80470	21 mi	Pine, CO
ZIP code 80827	22 mi	Lake George, 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 80456, plotted from its record coordinates.

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

Scope ZIP code 80456. 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.