Rimrock Foundation in Billings, Montana Address 1231 North 29th Street Billings, MT 59101 Contact (406) 248-3175 Intake: (800) 227-3953 Also try these nearby Treatment Centers in Montana District II Alcohol and Drug Program Youth Dynamics Silver Leaf Rocky Mountain Treatment Center Southwest Chemical Dependency Program Abuse and Dependency Services Fort Belknap Community Council Community Medical Services Missoula Boyd Andrew Community Services Gateway Community Services Submit a new center or provide corrections to an existing one ›