Harper County, Oklahoma
2 ZIP codes · 1,038.58 sq mi of land · FIPS 40059
| Population | 3,203 |
|---|---|
| State | Oklahoma |
| FIPS code | 40059 |
| Time zone | Central |
| Land area | 1,038.58 sq mi |
| Center (lat, long) | 36.8004, -99.6628 |
Area codes in this area
These are the area codes that most often serve Harper 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)
BuffaloRosston
ZIP codes in Harper County
Population: U.S. Census Bureau, ACS 5-year estimates, 2024.