Below is a list of Saint Francis SD zip codes. For your research we have also included Saint Francis Area Code, Time Zone, UTC and the local Todd County FIPS Code. Each Saint Francis South Dakota zip code has a center Longitude / Latitude point (the Saint Francis center is -100.90200042725 / 43.143600463867). For your convenience we have also indicated if that zip code in Saint Francis observes Daylight Savings time.