MISSOURI TOBACCO QUITLINE - A toll-free, proactive telephone smoking cessation counseling quitline. 800-QUITNOW (800-784-8669). Any Missourian who uses tobacco and would like assistance with quitting will be provided, without charge, cessation counseling by a trained professional and self-help materials. Missouri physicians can also call for free medical consultation on tobacco dependence treatment, as well as explanation of available quitline counseling services.