Current and Upcoming Anti-Loitering/Drug Free Zones PSA 404 (DFZ 11-4D-16) January 12 - 31, 2012 PSA 403 (DFZ 11-4D-15) December 22, 2011 - January 5, 2012 For information on past Drug Free Zone declarations, please submit a request through the Metropolitan Police Department’s FOIA Office.