Cowlitz County Washington Zip Codes

Cities in

Below are a list of the cities located in Cowlitz County, WA. There are 11 total unique zip codes in Cowlitz County, Washington. The time zone for Cowlitz County is the Pacific Daylight Time zone and they follow daylight savings time. The Federal Information Processing System (FIPS) Code for is 53015.

The population in Cowlitz County, WA is currently 111,524. That is an increase of 8.82% vs the population of 102,410 in 2010.

Zip Codes for Cowlitz County, WA (11)
Zip Code
 City County
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98581 Ryderwood Cowlitz
98603 Ariel Cowlitz
98609 Carrolls Cowlitz
98611 Castle Rock Cowlitz
98616 Cougar Cowlitz
98625 Kalama Cowlitz
98626 Kelso Cowlitz
98632 Longview Cowlitz
98645 Silverlake Cowlitz
98649 Toutle Cowlitz
98674 Woodland Cowlitz

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