Below is a list of Holt County MO zip codes. For your research we have also included Holt County Area Code, Time Zone, UTC and the local County FIPS Code. Each Holt County Missouri zip code has a center Longitude / Latitude point (the Holt County center is -95.20539855957 / 40.094398498535). For your convenience we have also indicated if that zip code in Holt County observes Daylight Savings time.