Washington County, Colorado
6 ZIP codes · 2,518.08 sq mi of land · FIPS 08121
| Population | 4,831 |
|---|---|
| State | Colorado |
| FIPS code | 08121 |
| Time zone | Mountain |
| Land area | 2,518.08 sq mi |
| Center (lat, long) | 39.9658, -103.2097 |
Area codes in this area
These are the area codes that most often serve Washington 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)
AkronLindonOtisWoodrowAntonCope
ZIP codes in Washington County
Population: U.S. Census Bureau, ACS 5-year estimates, 2024.