National Methamphetamine Information Clearinghouse Act of 2005 - Establishes: (1) the National Methamphetamine Information Clearinghouse, under the supervision of the Attorney General, to promote sharing information regarding successful law enforcement, treatment, environmental, social services, and other programs related to the production, use, or effects of methamphetamine and grants available for such programs; and (2) the National Methamphetamine Advisory Council.