Below is a list of Willow Creek MT zip codes. For your research we have also included Willow Creek Area Code, Time Zone, UTC and the local Gallatin County FIPS Code. Each Willow Creek Montana zip code has a center Longitude / Latitude point (the Willow Creek center is -109.72699737549 / 48.997898101807). For your convenience we have also indicated if that zip code in Willow Creek observes Daylight Savings time.