Below is a list of Issaquah WA zip codes. For your research we have also included Issaquah Area Code, Time Zone, UTC and the local King County FIPS Code. Each Issaquah Washington zip code has a center Longitude / Latitude point (the Issaquah center is -122.03700256348 / 47.530101776123). For your convenience we have also indicated if that zip code in Issaquah observes Daylight Savings time.