San Juan County, WA Zip Code Map
Friday Harbor, Orcas, Lopez & Shaw Island Zip Codes
This San Juan County, Washington zip code map does not show post box zip codes or unique zip codes. These maps are designed for quick general lookup of census zip code polygon property land ownership areas. The Census Bureau does not keep up-to-date data-sets of all ZIP codes.
ZIP Code Tabulation Areas (ZCTAsª) are a new statistical entity developed by the U.S. Census Bureau for tabulating summary statistics from Census data. This new entity was developed to overcome the difficulties in precisely defining the land area covered by each ZIP Code. Defining the extent of an area is necessary in order to accurately tabulate census data for that area.
ZCTAs are generalized area representations of U.S. Postal Service (USPS) ZIP Code service areas. Simply put, each one is built by aggregating the Census data blocks, whose addresses use a given ZIP Code, into a ZCTA which gets that ZIP Code assigned as its ZCTA code. They represent the majority USPS five-digit ZIP Code found in a given area. For those areas where it is difficult to determine the prevailing five-digit ZIP Code, the higher-level three-digit ZIP Code is used for the ZCTA code. Also, Some areas that are in remote regions might have PO box zip code usage. Source U.S. Census
Many use this San Juan County, Washington map to find county and city area zip codes for businesses, real estate, property management, land development, tracts, and trucking.
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Argyle 98250 Zip Code San Juan County
Blakely Island 98222 Zip Code San Juan County
Buckhorn 98245 Zip Code San Juan County
Decatur 98221 Zip Code San Juan County
Deer Harbor 98243 Zip Code San Juan County
Doe Bay 98279 Zip Code San Juan County
Dolphin 98245 Zip Code San Juan County
Eastsound 98245 Zip Code San Juan County
Friday Harbor 98250 Zip Code San Juan County
Islandale 98261 Zip Code San Juan County
Lakedale 98250 Zip Code San Juan County
Lopez Island 98261 Zip Code San Juan County
Lopez Village 98261 Zip Code San Juan County
Olga 98279 Zip Code San Juan County
Orcas 98280 Zip Code San Juan County
Port Stanley 98261 Zip Code San Juan County
Richardson 98261 Zip Code San Juan County
Roche Harbor 98250 Zip Code San Juan County
Rosario 98245 Zip Code San Juan County
Sea Acres 98250 Zip Code San Juan County
Shaw Island 98286 Zip Code San Juan County
Thatcher 98222 Zip Code San Juan County
Waldron 98297 Zip Code San Juan County
West Beach 98245 Zip Code San Juan County
West Sound 98245 Zip Code San Juan County
Yacht Haven 98250 Zip Code San Juan County
Map Copyright CCCARTO 2026
Data and Image Source: Census