Zortman is a census-designated place and unincorporated community in Phillips County, Montana, United States. Its population was 69 as of the 2010 census. Zortman has a post office with ZIP code 59546. The community includes the Zortman Motel and the Buckhorn Store and Cabins. The Buckhorn Store is the only store in the community. Zortman is a popular place for hunters to have dinner and stay while on their trip.