Costilla County, Colorado
6 ZIP codes · 1,227.59 sq mi of land · FIPS 08023
| Population | 3,607 |
|---|---|
| State | Colorado |
| FIPS code | 08023 |
| Time zone | Mountain |
| Land area | 1,227.59 sq mi |
| Center (lat, long) | 37.2775, -105.4289 |
Area codes in this area
These are the area codes that most often serve Costilla County (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.
Cities and towns (largest first)
BlancaChamaFort GarlandJarosoSanfordSan Luis
ZIP codes in Costilla County
Population: U.S. Census Bureau, ACS 5-year estimates, 2024.