ZIP Code 81091

81091 is one of Colorado's ZIP codes, delivering to addresses in Weston, Las Animas County.

City: Weston
County: Las Animas County
State: Colorado
Prefix: 810xx

Where this code sits

81091 is part of the 810xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Weston.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 81091 delivers to without sharing its boundary.

719 Area code 719

ZIP codes nearest 81091

The ZIP codes whose reference points sit closest to 81091.
ZIP code	Distance	Delivers to
ZIP code 81024	6.3 mi	Boncarbo, CO
ZIP code 81020	17 mi	Aguilar, CO
ZIP code 81082	19 mi	Trinidad, CO
ZIP code 81046	27 mi	Hoehne, CO
ZIP code 81055	27 mi	La Veta, CO
ZIP code 87740	29 mi	Raton, NM
ZIP code 81126	31 mi	Chama, CO
ZIP code 81089	33 mi	Walsenburg, 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 81091, plotted from its record coordinates.

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

Scope ZIP code 81091. 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.