Note: Every ZIP Code has a single ACTUAL City Name assigned by the US Postal Service (USPS).
See the specific ZIP Code for acceptable Alternate City Names and spelling variations.
ZIP Codes in Cowlitz County Address Data
Businesses Addresses: 3,186
PO Box Addresses: 5,932
Residential Addresses: 45,440
Multi-Family Addresses: 4,402
Single Family Addresses: 41,038
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Map of Cowlitz County, WA ZIP Codes With Actual (Default) City Names