Below is a list of Opheim MT zip codes. For your research we have also included Opheim Area Code, Time Zone, UTC and the local Valley County FIPS Code. Each Opheim Montana zip code has a center Longitude / Latitude point (the Opheim center is -106.40699768066 / 48.856498718262). For your convenience we have also indicated if that zip code in Opheim observes Daylight Savings time.