Arapahoe County, Colorado
17 ZIP codes · 797.89 sq mi of land · FIPS 08005
| Population | 659,844 |
|---|---|
| State | Colorado |
| FIPS code | 08005 |
| Time zone | Mountain |
| Land area | 797.89 sq mi |
| Center (lat, long) | 39.6446, -104.3317 |
Area codes in this area
These are the area codes that most often serve Arapahoe 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)
ZIP codes in Arapahoe County
80010 Aurora80012 Aurora80013 Aurora80014 Aurora80015 Aurora80016 Aurora80017 Aurora80018 Aurora80105 Deer Trail80110 Englewood80111 Englewood80112 Englewood80113 Englewood80120 Littleton80121 Littleton80122 Littleton80137 Watkins
Population: U.S. Census Bureau, ACS 5-year estimates, 2024.