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 San Juan County Address Data
Businesses Addresses: 2,443
PO Box Addresses: 4,821
Residential Addresses: 17,646
Multi-Family Addresses: 639
Single Family Addresses: 17,007
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Map of San Juan County, WA ZIP Codes With Actual (Default) City Names