Delaware Emergency Notification System

The Delaware Emergency Notification System (DENS) is a notification system dedicated to notifying Delaware residents in the event of an emergency in their area. The Sussex County Emergency Operations Center, along with the Delaware Emergency Management Agency, encourages residents who exclusively use mobile telephones to register their numbers in a statewide database that will be used for the Delaware Emergency Notification System.

Additional information regarding this program is available on the Delaware Emergency Management Agency website at

To register your mobile telephone, call 1-866-484-3264, or log on to