Below is a list of Maries County MO zip codes. For your research we have also included Maries County Area Code, Time Zone, UTC and the local County FIPS Code. Each Maries County Missouri zip code has a center Longitude / Latitude point (the Maries County center is -91.893096923828 / 38.169200897217). For your convenience we have also indicated if that zip code in Maries County observes Daylight Savings time.