ZIP code · Blanca · Colorado · United States
ZIP code 81123 — Blanca
ZIP code 81123 serves Blanca, Colorado.
- Postal code
- 81123Single source Value from one source, not cross-checked.
- City
- Blanca
- County
- Costilla
- State
- Colorado
- Country
- United States
- Coordinates
- 37.4317, -105.5178 — precision precise (locality)
View on OpenStreetMap - Population
- 726 (ZCTA, ACS 5-year)
- Median household income
- $37,173
- Median age
- 48.3
- Time zone
- America/Denver (UTC−7 / UTC−6 DST)
Nearby localities
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS). Data generated on 2026-08-21. Methodology · Report an error on this page