Below is a list of Clarkston WA zip codes. For your research we have also included Clarkston Area Code, Time Zone, UTC and the local Asotin County FIPS Code. Each Clarkston Washington zip code has a center Longitude / Latitude point (the Clarkston center is -117.04599761963 / 46.414501190186). For your convenience we have also indicated if that zip code in Clarkston observes Daylight Savings time.