ZIP Code 81620

81620 is one of Colorado's ZIP codes, delivering to addresses in Avon, Eagle County.

City: Avon
County: Eagle County
State: Colorado
Prefix: 816xx

Where this code sits

81620 is part of the 816xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Avon.

Avon Colorado ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 81620 delivers to without sharing its boundary.

ZIP codes nearest 81620

The ZIP codes whose reference points sit closest to 81620.
ZIP code	Distance	Delivers to
ZIP code 81658	0.9 mi	Vail, CO
ZIP code 81632	5.9 mi	Edwards, CO
ZIP code 81645	6.1 mi	Minturn, CO
ZIP code 81657	10 mi	Vail, CO
ZIP code 81655	10 mi	Wolcott, CO
ZIP code 81649	11 mi	Red Cliff, CO
ZIP code 81631	13 mi	Eagle, CO
ZIP code 80498	18 mi	Silverthorne, 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 81620, plotted from its record coordinates.

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

Scope ZIP code 81620. 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.