Below is a list of Whitehall MT zip codes. For your research we have also included Whitehall Area Code, Time Zone, UTC and the local Jefferson County FIPS Code. Each Whitehall Montana zip code has a center Longitude / Latitude point (the Whitehall center is -112.10199737549 / 45.869899749756). For your convenience we have also indicated if that zip code in Whitehall observes Daylight Savings time.