Below is a list of Grain Valley MO zip codes. For your research we have also included Grain Valley Area Code, Time Zone, UTC and the local Jackson County FIPS Code. Each Grain Valley Missouri zip code has a center Longitude / Latitude point (the Grain Valley center is -94.207702636719 / 39.010601043701). For your convenience we have also indicated if that zip code in Grain Valley observes Daylight Savings time.