Clarkston Wa Zip Code - Enter a corporate or residential street address, city, and state to see a specific. Web look up a zip code ™. Look up a zip code. It covers a total of 143.49 square miles of land area. Web zip code 99403 is located in clarkston washington.
Look up a zip code. Web zip code 99403 is located in clarkston washington. Enter a corporate or residential street address, city, and state to see a specific. Web look up a zip code ™. It covers a total of 143.49 square miles of land area.