Postal reference / United States

81020Aguilar, Colorado

ZIP code 81020 is a United States postal code for Aguilar, Colorado. Its county association is Las Animas County. The map reference point is at 37.3933, -104.6769.

State / territory
Colorado
Recorded place name
Aguilar
County association
Las Animas
Estimated coordinate
37.3933, -104.6769
View on OpenStreetMap
ZIP prefix
810 · 59 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
389.191 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.

Need the last four digits?

ZIP+4 depends on the full delivery address. A five-digit code alone cannot determine its extension.

Find ZIP+4

Explore Colorado

Browse the other 644 ZIP codes recorded for Colorado, sorted by code with place and county.

Colorado directory

Nearby ZIP code reference points

ZIP codePlaceStateCounty associationMiles
81082TrinidadCOLas Animas12.8
81024BoncarboCOLas Animas13.0
81091WestonCOLas Animas17.4
81089WalsenburgCOHuerfano18.4
81046HoehneCOLas Animas19.2
81055La VetaCOHuerfano22.4
81059ModelCOLas Animas26.4
87740RatonNMColfax36.9

Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.

Verify a mailing address

For mailing, confirm the complete street or PO Box address with USPS. A place record does not confirm delivery eligibility or the ZIP+4 extension.

Open USPS address lookup