CyrusOne’s 670,000-square-foot Dallas data center in Dallas/Carrollton is the largest facility of its kind in the state and one of the most energy-efficient in the United States. In addition, the DFW1 data center in Carrollton also houses the infrastructure and 911-dispatch center for Carrollton, Coppell, Farmers Branch, and Addison, Texas. The communities have consolidated 911 services to form the North Texas Emergency Communications Center (NTECC).