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: 3,251
PO Box Addresses: 6,436
Residential Addresses: 44,337
Multi-Family Addresses: 4,297
Single Family Addresses: 40,040
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Map of Cowlitz County, WA ZIP Codes With Actual (Default) City Names