Columbia County, Washington
2 ZIP codes · 868.58 sq mi of land · FIPS 53013
| Population | 4,014 |
|---|---|
| State | Washington |
| FIPS code | 53013 |
| Time zone | Pacific |
| Land area | 868.58 sq mi |
| Center (lat, long) | 46.2929, -117.9116 |
Area codes in this area
These are the area codes that most often serve Columbia 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)
DaytonStarbuck
ZIP codes in Columbia County
Population: U.S. Census Bureau, ACS 5-year estimates, 2024.