Below is a list of Wallula WA zip codes. For your research we have also included Wallula Area Code, Time Zone, UTC and the local Walla Walla County FIPS Code. Each Wallula Washington zip code has a center Longitude / Latitude point (the Wallula center is -118.9049987793 / 46.083599090576). For your convenience we have also indicated if that zip code in Wallula observes Daylight Savings time.