en.wikipedia.org/wiki/AT%26T

AT&T Inc. is an American multinational conglomerate holding company headquartered at ... AT&T began its history as Southwestern Bell Telephone Company, ... that held a government-authorized phone service monopoly, formalized with the ...

en.wikipedia.org/wiki/Bell_System

The Bell System was the system of companies, led by the Bell Telephone Company and later .... The Bell System service marks, including the circled-bell logo, especially as redesigned by Saul Bass in 1969, and the ... Southwestern Bell used both the Bell name and the circled-bell trademark until SBC opted for all of its ...

en.wikipedia.org/wiki/AT%26T_Corporation

Throughout most of the 20th century, AT&T held a monopoly on phone service in the United States and Canada through a network of companies called the Bell ...

www.att.com/contactus/index/homephone.html

AT&T Phone, home phone, landline and wireless home phone customers, contact AT&T by phone or chat to order new service, track orders and get customer ...

en.wikipedia.org/wiki/Breakup_of_the_Bell_System

The breakup of the Bell System was mandated on January 8, 1982, by an agreed consent decree providing that AT&T Corporation would, as had been initially proposed by AT&T, relinquish control of the Bell Operating Companies that had provided local telephone service .... SBC Communications (named Southwestern Bell Corporation until 1995) ...

www.att.com/contactus/mobile/homephone/landline.html

AT&T Landline Home Phone customers, contact AT&T by phone to get customer service and technical support.

www.att.com/home-phone/landline.html

Need a landline or traditional home phone? Choose from our affordable plans with crystal clear calling, and all the popular phone features you come to expect ...

www.att.com/esupport/main.html#!/local-long-distance/topic_accountmyatt5

Get help managing your AT&T home phone service and account. AT&T has you covered with Billing & account support, troubleshooting, how-to articles, ...

engage.att.com/oklahoma/customerservice

Customer Service Contact Information. Please use the following telephone numbers to contact the AT&T Alabama customer service teams: Residential: ...