Below is a list of Fredericktown MO zip codes. For your research we have also included Fredericktown Area Code, Time Zone, UTC and the local Madison County FIPS Code. Each Fredericktown Missouri zip code has a center Longitude / Latitude point (the Fredericktown center is -90.294700622559 / 37.559600830078). For your convenience we have also indicated if that zip code in Fredericktown observes Daylight Savings time.