The Hancock County Public Safety Departments are dispatched by the HANCOCK COUNTY E-911 ADDRESSING OFFICE in Bay St. Louis, MS, United States, providing a rapid ... See more response by fire, EMS and law enforcement departments to incidents and control of a wide-range of emergency situations, covering Hancock County, Mississippi Sheriff's Office, Cites of Waveland, Diamondhead, & Bay St. Louis PD and FD; and all County Volunteer Fire Departments - West Hancock, Leetown, Clermont Harbor, Kiln, Fenton, and Bayside.