The Twelve Step Program has much sucess in helping individuals who are recovering from addictive behavior, typically abusing alcohol, drugs and medication or compulsive sexual activity.

Parish churches and civic meeting places are one of the many locations, you can find a support from groups and organizations such as the following.

North County Intergroup of Alcoholics Anonymous
Bother Benno's Drug and Alcohol Recovery Programs
Recovery from Sex Addiction and Pornography
Catholic in Recovery
Al-Anon