ZIP Code 81243

81243 is one of Colorado's ZIP codes, delivering to addresses in Powderhorn, Gunnison County.

City: Powderhorn
County: Gunnison County
State: Colorado
Prefix: 812xx

Where this code sits

81243 is part of the 812xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Powderhorn.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 81243 delivers to without sharing its boundary.

ZIP codes nearest 81243

The ZIP codes whose reference points sit closest to 81243.
ZIP code	Distance	Delivers to
ZIP code 81231	21 mi	Gunnison, CO
ZIP code 81230	21 mi	Gunnison, CO
ZIP code 81220	22 mi	Cimarron, CO
ZIP code 81235	23 mi	Lake City, CO
ZIP code 81239	31 mi	Parlin, CO
ZIP code 81130	34 mi	Creede, CO
ZIP code 81237	35 mi	Ohio City, CO
ZIP code 81427	35 mi	Ouray, 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 81243, plotted from its record coordinates.

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

Scope ZIP code 81243. 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.