ZIP Code 81128

81128 is one of Colorado's ZIP codes, delivering to addresses in Chromo, Archuleta County.

City: Chromo
County: Archuleta County
State: Colorado
Prefix: 811xx

Where this code sits

81128 is part of the 811xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Chromo.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 81128 delivers to without sharing its boundary.

ZIP codes nearest 81128

The ZIP codes whose reference points sit closest to 81128.
ZIP code	Distance	Delivers to
ZIP code 87528	17 mi	Dulce, NM
ZIP code 87520	17 mi	Chama, NM
ZIP code 81147	18 mi	Pagosa Springs, CO
ZIP code 81157	19 mi	Pagosa Springs, CO
ZIP code 87551	26 mi	Los Ojos, NM
ZIP code 87575	29 mi	Tierra Amarilla, NM
ZIP code 81121	32 mi	Arboles, CO
ZIP code 81124	44 mi	Capulin, 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 81128, plotted from its record coordinates.

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

Scope ZIP code 81128. 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.