ZIP Code 81133

81133 is one of Colorado's ZIP codes, delivering to addresses in Fort Garland, Costilla County.

City: Fort Garland
County: Costilla County
State: Colorado
Prefix: 811xx

Where this code sits

81133 is part of the 811xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Fort Garland.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 81133 delivers to without sharing its boundary.

719 Area code 719

ZIP codes nearest 81133

The ZIP codes whose reference points sit closest to 81133.
ZIP code	Distance	Delivers to
ZIP code 81123	6.2 mi	Blanca, CO
ZIP code 81126	18 mi	Chama, CO
ZIP code 81055	20 mi	La Veta, CO
ZIP code 81152	23 mi	San Luis, CO
ZIP code 81101	26 mi	Alamosa, CO
ZIP code 81146	26 mi	Mosca, CO
ZIP code 81102	26 mi	Alamosa, CO
ZIP code 81040	28 mi	Gardner, 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 81133, plotted from its record coordinates.

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

Scope ZIP code 81133. 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.