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 Western Montana Addiction Services Carol Graham Indian Health Board of Billings Substance Abuse Program Crow Hospital Flathead Valley Chem Dependency Clinic New Choices Youth Dynamics White Sky Hope Center Rocky Boy Clinic New Day Inc Western Montana Addiction Services Choices for Change Counseling Submit a new center or provide corrections to an existing one ›