The Department services 134,500 persons in an area of 24 square miles (62 km²) Dispatch for OFD is handled by the MetroNet Communications Center run by the Anaheim Fire Department.
The Department's EMS response is to send an engine company and a rescue ambulance. All firefighters employed by the Department are certified Emergency Medical Technician (EMT) and can provide basic life support until paramedics arrive. OFD has three rescue ambulances located in three different stations. Each rescue ambulance is staffed by fully trained paramedics. The ambulances can provide transport without having to wait for a private ambulance to arrive in cases of Advanced Life Support or trauma emergencies.