Below is a list of Koeltztown MO zip codes. For your research we have also included Koeltztown Area Code, Time Zone, UTC and the local Osage County FIPS Code. Each Koeltztown Missouri zip code has a center Longitude / Latitude point (the Koeltztown center is -92.041900634766 / 38.324901580811). For your convenience we have also indicated if that zip code in Koeltztown observes Daylight Savings time.