Below is a list of Laddonia MO zip codes. For your research we have also included Laddonia Area Code, Time Zone, UTC and the local Audrain County FIPS Code. Each Laddonia Missouri zip code has a center Longitude / Latitude point (the Laddonia center is -91.645500183105 / 39.242500305176). For your convenience we have also indicated if that zip code in Laddonia observes Daylight Savings time.