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 King County Address Data
Businesses Addresses: 75,201
PO Box Addresses: 33,060
Residential Addresses: 1,006,096
Multi-Family Addresses: 352,066
Single Family Addresses: 642,479
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Map of King County, WA ZIP Codes With Actual (Default) City Names