Below is a list of Clarksburg IN zip codes. For your research we have also included Clarksburg Area Code, Time Zone, UTC and the local Decatur County FIPS Code. Each Clarksburg Indiana zip code has a center Longitude / Latitude point (the Clarksburg center is -85.347702026367 / 39.433601379395). For your convenience we have also indicated if that zip code in Clarksburg observes Daylight Savings time.