What Does It(Sbcglobal.net) Stand For? AT&T Internet Services (previously SBC Internet Services) is a trade name for several affiliated companies. AT&T Internet Services provides the att.net consumer web portal and information service. AT&T Inc. began its history as Southwestern Bell Telephone Company, which was a subsidiary of the Bell Telephone Company founded by Alexander Graham Bell in 1880. Bell Telephone Company evolved into American Telephone and Telegraph Company in 1885 which had since rebranded to AT&T Corporation. Following the 1982