San Juan County, Washington ZIP Codes


ZIP Codes in San Juan County with Associated Cities & Towns

San Juan County, WA - Standard ZIP Codes
98221 | 98222 | 98245 | 98250 | 98261 | 98279
San Juan County, WA - PO Box ZIP Codes (NO DEMOGRAPHIC DATA)
98243 | 98280 | 98286 | 98297
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: 2,584
  • PO Box Addresses: 5,359
  • Residential Addresses: 17,219
    • Multi-Family Addresses: 653
    • Single Family Addresses: 16,212


Map of San Juan County, WA ZIP Codes With Actual (Default) City Names

Blakely Island
Deer Harbor
Friday Harbor
Lopez Island
Shaw Island

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