Essex County (NJ)
From The RadioReference Wiki
Atlantic Ambulance provides paid 911 response for the Township of Fairfield Monday - Friday 6am - 6pm and for the Village of South Orange Monday - Thursday 6am - 6pm. Units are dispatched on Cencom 1 and by MDT.
Fire Radio Codes
Signal 11 - Working Fire
Signal 100 - Arson Fire
Signal 102-suspicious fire-non urgent
Police Radio Codes
Signal 40/400 - House/Business Alarm
35 - Car Accident