Below is a list of Maple Valley WA zip codes. For your research we have also included Maple Valley Area Code, Time Zone, UTC and the local King County FIPS Code. Each Maple Valley Washington zip code has a center Longitude / Latitude point (the Maple Valley center is -122.04499816895 / 47.390399932861). For your convenience we have also indicated if that zip code in Maple Valley observes Daylight Savings time.