Washington County, Kansas
11 ZIP codes · 894.76 sq mi of land · FIPS 20201
| Population | 5,533 |
|---|---|
| State | Kansas |
| FIPS code | 20201 |
| Time zone | Central |
| Land area | 894.76 sq mi |
| Center (lat, long) | 39.7767, -97.0956 |
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)
BarnesCliftonGreenleafHaddamHanoverHollenbergLinnMahaskaMorrowvillePalmerWashington
ZIP codes in Washington County
66933 Barnes66937 Clifton66943 Greenleaf66944 Haddam66945 Hanover66946 Hollenberg66953 Linn66955 Mahaska66958 Morrowville66962 Palmer66968 Washington
Population: U.S. Census Bureau, ACS 5-year estimates, 2024.