Columbia County, Washington ZIP Codes
ZIP Codes in Columbia County with Associated Cities & Towns
Columbia County, WA - Standard ZIP Codes
Columbia County, WA - PO Box ZIP Codes (NO DEMOGRAPHIC DATA)
ZIP Codes in Columbia County Address Data
- Businesses Addresses: 413
- PO Box Addresses: 1,103
- Residential Addresses: 2,559
- Multi-Family Addresses: 31
- Single Family Addresses: 2,528
Map of Columbia County, WA ZIP Codes With Actual (Default) City Names
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