Oncor Electric Delivery Company Share: Electric Utilities Oncor Electric Delivery Company Visit Website Request Info 14400 Josey Ln. Farmers Branch, TX 75234 (972) 888-1301 (972) 888-1304 (fax) About Rep Info Map About Oncor is the regulated electric delivery business within Energy Future Holdings (formerly TXU Corp). Oncor is the nation's sixth-largest US transmission and distribution company. Whom to Contact Jerry Bates Send an Email Violet Morris Send an Email John Owens What's Nearby? Distance: 5 10 15 20 25 50 mi.