Below is a list of Clarksburg MD zip codes. For your research we have also included Clarksburg Area Code, Time Zone, UTC and the local Montgomery County FIPS Code. Each Clarksburg Maryland zip code has a center Longitude / Latitude point (the Clarksburg center is -77.281196594238 / 39.240299224854). For your convenience we have also indicated if that zip code in Clarksburg observes Daylight Savings time.