Alcohol Treatment Center Prelude Behavioral Services Marengo County ADDRESS 1101 Court Avenue Suite 10 Marengo IA Iowa 52301Marengo Aerial Map Loading... No Records Found Sorry, no records were found. Please adjust your search criteria and try again. Maps failed to load Sorry, unable to load the Maps API. PHONE319-642-5528 ONLINEWebsite SERVICE TYPES TREATMENT APPROACHES PAYMENT TYPES back to other treatment facilities Get Help For Alcohol Now