With this Washington State Zip Code map, longtime local mapmaker Kroll, uses color separation to highlight the counties. The ZIP Code information on this map is based on ZIP Code Tabulation Areas (ZCTAs), a new statistical entity developed by the U.S. Census Bureau. Detailed insets for Seattle and Tacoma aid in the legibility of these urban areas.
Click on the "Additional Info" tab below for a sample image of this map...