Opheim, MT -- U.S. town in Montana Population (2000): 111 Housing Units (2000): 83 Land area (2000): 0.218307 sq. miles (0.565413 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.218307 sq. miles (0.565413 sq. km) FIPS code: 55525 Located within: Montana (MT), FIPS 30 Location: 48.857981 N, 106.409816 W ZIP Codes (1990): 59250 Note: some ZIP codes may be omitted esp. for suburbs. Headwords: Opheim, MT Opheim