Below is a list of Malden WA zip codes. For your research we have also included Malden Area Code, Time Zone, UTC and the local Whitman County FIPS Code. Each Malden Washington zip code has a center Longitude / Latitude point (the Malden center is -117.47299957275 / 47.229698181152). For your convenience we have also indicated if that zip code in Malden observes Daylight Savings time.