Quitting with Text Support Text coaching is a proven, powerful strategy to boost success and deliver behavior change. The Become an Ex App delivers tailored messages via text that give age-appropriate quitting advice, including information about nicotine replacement therapy. Quitline The California Smoker's Helpline offers free telephone counseling in six languages and online support to help you quit smoking and vaping. Call 1-800-NO-BUTTS or Text "QUIT VAPING" to 66819. Free Support for Students Free counseling and Nicotine Replacement Therapy through Student Health and Counseling Services. Make an appointment by calling (530) 752-6334. Free Cessation Classes for Staff UC Davis Health Management and Education offers The SToP: Stop Tobacco Smoking Cessation series - an eight-week class for staff that focuses on empowering tobacco users to overcome the addiction.