Below is a list of Wentzville MO zip codes. For your research we have also included Wentzville Area Code, Time Zone, UTC and the local Saint Charles County FIPS Code. Each Wentzville Missouri zip code has a center Longitude / Latitude point (the Wentzville center is -90.852897644043 / 38.811100006104). For your convenience we have also indicated if that zip code in Wentzville observes Daylight Savings time.