Hoosac, Montana From Wikipedia, the free encyclopedia Unincorporated community in Montana, U.S. Hoosac is an unincorporated community in Fergus County, in the U.S. state of Montana.[1] Hoosac contained a post office from 1914 until 1919.[2] The community took its name after the nearby Hoosac Tunnel.[3] References ↑ U.S. Geological Survey Geographic Names Information System: Hoosac, Montana ↑ U.S. Geological Survey Geographic Names Information System: Hoosac Post Office (historical) ↑ "Origins of Names on Milwaukee". Roundup Record-Tribune & Winnett Times. August 22, 1940. p. 6. Retrieved April 27, 2015. vteMunicipalities and communities of Fergus County, Montana, United StatesCounty seat: LewistownCity Lewistown Fergus County mapTowns Denton Grass Range Moore Winifred CDPs Ayers Ranch Colony Brooks Coffee Creek Danvers Deerfield Colony Fords Creek Colony Hilger King Ranch Colony Lewistown Heights Roy Spring Creek Colony Warm Spring Creek Othercommunities Amherst Buffalo Christina Forest Grove Garneill Heath Hoosac Ghost town Armells Indian reservation Turtle Mountain Indian Reservation‡ Footnotes‡This populated place also has portions in an adjacent county or counties Montana portal United States portal 47°16′33″N 109°50′25″W / 47.27583°N 109.84028°W / 47.27583; -109.84028 This Fergus County, Montana state location article is a stub. You can help Wikipedia by expanding it.vte Related Articles~TimelinesTop QsFact Checks