Below is a list of Mountrail County ND zip codes. For your research we have also included Mountrail County Area Code, Time Zone, UTC and the local County FIPS Code. Each Mountrail County North Dakota zip code has a center Longitude / Latitude point (the Mountrail County center is -102.36199951172 / 48.195598602295). For your convenience we have also indicated if that zip code in Mountrail County observes Daylight Savings time.