Below is a list of Cohagen MT zip codes. For your research we have also included Cohagen Area Code, Time Zone, UTC and the local Garfield County FIPS Code. Each Cohagen Montana zip code has a center Longitude / Latitude point (the Cohagen center is -106.61799621582 / 47.054298400879). For your convenience we have also indicated if that zip code in Cohagen observes Daylight Savings time.