Below is a list of Wheatland County MT zip codes. For your research we have also included Wheatland County Area Code, Time Zone, UTC and the local County FIPS Code. Each Wheatland County Montana zip code has a center Longitude / Latitude point (the Wheatland County center is -109.77300262451 / 46.459999084473). For your convenience we have also indicated if that zip code in Wheatland County observes Daylight Savings time.