Telephone, Telecommunications, TV go Results Found: 4 Button group with nested dropdown AT&T Services Inc. AT&T Services Inc. 208 S. Akard Dallas TX 75202 (469) 750-6030 Suddenlink by Altice Suddenlink by Altice 5830 Granite Parkway Suite 300 Plano Texas 75024 (877) 794-2724 Communications Unlimited Communications Unlimited P.O.Box 551501 Dallas TX 75355 (214) 340-6001 Clear Connection Communications, LLC Clear Connection Communications, LLC 12830 Hillcrest Road Suite D111 Dallas TX 75230 (214) 275-3940