Https://www.tngunowners.com/forums/topic/142183-complete-list-of-official-quickb00ks%E2%84%A2%EF%B8%8F-desktop-support-numbers-in-the-usa-%E2%80%93-full-detailed-guide/ https://www.tngunowners.com/forums/topic/142183-complete-list-of-official-quickb00ks%E2%84%A2%EF%B8%8F-desktop-support-numbers-in-the-usa-%E2%80%93-full-detailed-guide/