Rocky Mountain Bank Address: 115 E 1st Ave, Plentywood, MT 59254 Phone: (406) 765-2265 Banks Other Businesses: Stockman Bank at 102 N Main St, Plentywood, MT 59254 White, Gary A OD at 121 N Main St, Plentywood, MT 59254 Sherwood Inn at 515 W 1st Ave, Plentywood, MT 59254 Randy's Restaurant at 323 W 1st Ave, Plentywood, MT 59254