Below is a list of Green River WY zip codes. For your research we have also included Green River Area Code, Time Zone, UTC and the local Sweetwater County FIPS Code. Each Green River Wyoming zip code has a center Longitude / Latitude point (the Green River center is -109.46900177002 / 41.517101287842). For your convenience we have also indicated if that zip code in Green River observes Daylight Savings time.