Below is a list of Harrisburg MO zip codes. For your research we have also included Harrisburg Area Code, Time Zone, UTC and the local Boone County FIPS Code. Each Harrisburg Missouri zip code has a center Longitude / Latitude point (the Harrisburg center is -92.462303161621 / 39.141799926758). For your convenience we have also indicated if that zip code in Harrisburg observes Daylight Savings time.