ZIP Code 81631

81631 is one of Colorado's ZIP codes, delivering to addresses in Eagle, Eagle County.

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

Where this code sits

81631 is part of the 816xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Eagle.

Eagle Colorado ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 81631 delivers to without sharing its boundary.

ZIP codes nearest 81631

The ZIP codes whose reference points sit closest to 81631.
ZIP code	Distance	Delivers to
ZIP code 81655	6.4 mi	Wolcott, CO
ZIP code 81632	7.4 mi	Edwards, CO
ZIP code 81637	11 mi	Gypsum, CO
ZIP code 81620	13 mi	Avon, CO
ZIP code 81658	14 mi	Vail, CO
ZIP code 80423	17 mi	Bond, CO
ZIP code 80426	18 mi	Burns, CO
ZIP code 81645	19 mi	Minturn, 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 81631, plotted from its record coordinates.

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

Scope ZIP code 81631. 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.