This volume lists Federal, State, local, and private facilities that provide substance abuse treatment services. It includes only those treatment facilities that are licensed, certified, or otherwise approved by their State substance abuse agencies for inclusion in the Directory and that responded to the 1999 Uniform Facility Data Set survey. The survey was conducted between October 1999 and April 2000. The Directory includes facilities administered by the Department of Veterans Affairs, the Indian Health Service, and the Department of Defense. The Directory is ordered alphabetically by State, by city within each State, and by facility name within each city. Each facility listing consists of the facility name, address, telephone number, hotline number, intake telephone number, Internet web site address, and codes that represent the services offered and other characteristics of the facility. Facility codes represent information concerning: Primary Focus of Provider, Services Provided, Type of Care, Special Programs/Groups Offered, Forms of Payment Accepted, and Payment Assistance Available.