Below is a list of River Falls WI zip codes. For your research we have also included River Falls Area Code, Time Zone, UTC and the local Pierce County FIPS Code. Each River Falls Wisconsin zip code has a center Longitude / Latitude point (the River Falls center is -92.622802734375 / 44.85530090332). For your convenience we have also indicated if that zip code in River Falls observes Daylight Savings time.