Below is a list of Cassville MO zip codes. For your research we have also included Cassville Area Code, Time Zone, UTC and the local Barry County FIPS Code. Each Cassville Missouri zip code has a center Longitude / Latitude point (the Cassville center is -93.869300842285 / 36.676998138428). For your convenience we have also indicated if that zip code in Cassville observes Daylight Savings time.