Below is a list of Appleton WA zip codes. For your research we have also included Appleton Area Code, Time Zone, UTC and the local Klickitat County FIPS Code. Each Appleton Washington zip code has a center Longitude / Latitude point (the Appleton center is -121.26999664307 / 45.812000274658). For your convenience we have also indicated if that zip code in Appleton observes Daylight Savings time.