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: 2,440
PO Box Addresses: 4,809
Residential Addresses: 17,746
Multi-Family Addresses: 638
Single Family Addresses: 17,108
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Map of San Juan County, WA ZIP Codes With Actual (Default) City Names