Washington County, Oklahoma
6 ZIP codes · 415.52 sq mi of land · FIPS 40147
| Population | 53,326 |
|---|---|
| State | Oklahoma |
| FIPS code | 40147 |
| Time zone | Central |
| Land area | 415.52 sq mi |
| Center (lat, long) | 36.7044, -95.9063 |
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)
ZIP codes in Washington County
Population: U.S. Census Bureau, ACS 5-year estimates, 2024.