The mission of the Denco Area District is to provide anefficient, effective enhanced emergency telecommunications system that assists its member jurisdictions in responding to police,fire and medical emergency calls.Watch a short video to learn more about Denco . What Is And Is Not An Emergency? An emergency is any serious situation where a police officer, fire fighter, or emergency medical help is needed right away. If your call is a non-emergency, please call the proper non-emergency seven-digit telephone number found in the phone book or through directory assistance. more... See more text