Below is a list of Musselshell MT zip codes. For your research we have also included Musselshell Area Code, Time Zone, UTC and the local Musselshell County FIPS Code. Each Musselshell Montana zip code has a center Longitude / Latitude point (the Musselshell center is -108.09100341797 / 46.518600463867). For your convenience we have also indicated if that zip code in Musselshell observes Daylight Savings time.