Below is a list of Gravois Mills MO zip codes. For your research we have also included Gravois Mills Area Code, Time Zone, UTC and the local Morgan County FIPS Code. Each Gravois Mills Missouri zip code has a center Longitude / Latitude point (the Gravois Mills center is -92.824096679688 / 38.309700012207). For your convenience we have also indicated if that zip code in Gravois Mills observes Daylight Savings time.