Postal reference / United States

81128Chromo, Colorado

ZIP code 81128 is a United States postal code for Chromo, Colorado. Its county association is Archuleta County. The map reference point is at 37.0364, -106.8434.

State / territory: Colorado
Recorded place name: Chromo
County association: Archuleta
Estimated coordinate: 37.0364, -106.8434
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ZIP prefix: 811 · 32 ZIP codes share it
Data source: GeoNames postal reference, snapshot September 26, 2026

GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.

Area

Land area: 145.115 sq mi (2023 Census Gazetteer)

Figures are for the ZIP Code Tabulation Area (ZCTA) that most closely matches this ZIP code, not an exact match to USPS delivery boundaries. Source: U.S. Census Bureau, 2023 Gazetteer + 2023 ACS 5-Year Estimates, retrieved 2026-09-27. How to read this data.

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Nearby ZIP code reference points

ZIP code	Place	State	County association	Miles
87528	Dulce	NM	Rio Arriba	17.1
87520	Chama	NM	Rio Arriba	17.3
81147	Pagosa Springs	CO	Archuleta	18.4
81157	Pagosa Springs	CO	Archuleta	18.5
87551	Los Ojos	NM	Rio Arriba	26.1
87575	Tierra Amarilla	NM	Rio Arriba	29.2
81121	Arboles	CO	Archuleta	31.8
87518	Cebolla	NM	Rio Arriba	42.1

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