The Dallas City Police 1-9 Departments are dispatched by the City of Dallas - Communication and Information Services 9-1-1 System in Dallas, TX, United States, ... See more providing a rapid response by fire, EMS and law enforcement departments to incidents and control of a wide-range of emergency situations, covering All Primary Patrol Channels for DPD. 1 Central - 2 North East - 3 South East - 4 South West - 5 North West - 6 North Central - 7 South Central - 8 NOT BROADCAST - 9 Traffic.