Cowlitz County, Washington
10 ZIP codes · 1,141.16 sq mi of land · FIPS 53015
| Population | 112,360 |
|---|---|
| State | Washington |
| FIPS code | 53015 |
| Time zone | Pacific |
| Land area | 1,141.16 sq mi |
| Center (lat, long) | 46.1968, -122.6785 |
Area codes in this area
These are the area codes that most often serve Cowlitz 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 Cowlitz County
98581 Ryderwood98603 Ariel98609 Carrolls98611 Castle Rock98625 Kalama98626 Kelso98632 Longview98645 Silverlake98649 Toutle98674 Woodland
Population: U.S. Census Bureau, ACS 5-year estimates, 2024.