SAMHSA’s National Helpline, 1-800-662-HELP (4357) (also recognized as the Treatment Referral Routing Service), or TTY: 1-800-487-4889 is a classified, free of charge, 24-hour-a-day, 365-day-a-year, relevant information service, in English and Spanish, for people and loved ones participants dealing with mental and/or drug make use of ailments. This company