Below is a list of Saint Peters MO zip codes. For your research we have also included Saint Peters Area Code, Time Zone, UTC and the local Saint Charles County FIPS Code. Each Saint Peters Missouri zip code has a center Longitude / Latitude point (the Saint Peters center is -90.603401184082 / 38.786598205566). For your convenience we have also indicated if that zip code in Saint Peters observes Daylight Savings time.