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: 74,931
PO Box Addresses: 33,353
Residential Addresses: 1,000,809
Multi-Family Addresses: 350,602
Single Family Addresses: 638,444
Advertisement
Map of King County, WA ZIP Codes With Actual (Default) City Names