ZIP Code 80435

80435 is one of Colorado's ZIP codes, delivering to addresses in Dillon, Summit County.

City: Dillon
County: Summit County
State: Colorado
Prefix: 804xx

Where this code sits

80435 is part of the 804xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Dillon.

Dillon Colorado ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 80435 delivers to without sharing its boundary.

ZIP codes nearest 80435

The ZIP codes whose reference points sit closest to 80435.
ZIP code	Distance	Delivers to
ZIP code 80497	7.8 mi	Silverthorne, CO
ZIP code 80424	8.7 mi	Breckenridge, CO
ZIP code 80443	8.8 mi	Frisco, CO
ZIP code 80476	14 mi	Silver Plume, CO
ZIP code 80444	17 mi	Georgetown, CO
ZIP code 80498	18 mi	Silverthorne, CO
ZIP code 81657	19 mi	Vail, CO
ZIP code 80448	19 mi	Grant, 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 80435, plotted from its record coordinates.

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

Scope ZIP code 80435. 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.