The DeKalb County Sheriff, Fire and EMS, DeKalb City Police and Fire Departments are dispatched by the The DeKalb County E-911 Board Emergency Telephone System ... See more in Sycamore, IL, United States, providing a rapid response by fire, EMS and law enforcement departments to incidents and control of a wide-range of emergency situations, covering very police, fire, EMS from every city/town in DeKalb County except Sandwich.