Below is a list of Sedro Woolley WA zip codes. For your research we have also included Sedro Woolley Area Code, Time Zone, UTC and the local Skagit County FIPS Code. Each Sedro Woolley Washington zip code has a center Longitude / Latitude point (the Sedro Woolley center is -122.23699951172 / 48.510501861572). For your convenience we have also indicated if that zip code in Sedro Woolley observes Daylight Savings time.