1-800-COCAINE has provided assistance to over two million callers to date. It has supplied epidemiologic data regarding cocaine use, with increasing proportions of female users since 1983, and numerous social and medical consequences of use. In addition, it has provided data regarding timing of the progression of cocaine abuse and confirmation that cocaine abuse is an addictive illness for those seeking help. 800-COCAINE is, by its existence and name recognition, a primary prevention project.