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AT&T Inc. is a multinational conglomerate holding company providing media and telecommunications solutions and services.

AT&T Inc. (originally the American Telephone and Telegraph Company) is an American multinational conglomerate holding company that is Delaware-registered but headquartered at Whitacre Tower in Downtown Dallas, Texas. It is the world's largest telecommunications company and the largest provider of mobile telephone services in the U.S. As of 2020, AT&T was ranked 9th on the Fortune 500 rankings of the largest United States corporations, with revenues of $181 billion.

During most of the 20th century, AT&T had a monopoly on phone service in the United States. The company began its history as the American District Telegraph Company, formed in St. Louis in 1878. After expanding services to Arkansas, Kansas, Oklahoma and Texas, through a series of mergers, it became Southwestern Bell Telephone Company in 1920, which was then a subsidiary of American Telephone and Telegraph Company. The latter was a successor of the original Bell Telephone Company founded by Alexander Graham Bell in 1877. The American Bell Telephone Company formed the American Telephone and Telegraph Company (AT&T) subsidiary in 1885. In 1899, AT&T became the parent company after the American Bell Telephone Company sold its assets to its subsidiary. The company was rebranded as AT&T Corp. in 1994. The 1982 United States v. AT&T antitrust lawsuit resulted in the divestiture of AT&T's ("Ma Bell") local operating subsidiaries which were grouped into seven Regional Bell Operating Companies (RBOCs), commonly referred to as "Baby Bells", resulting in seven independent companies, including Southwestern Bell Corporation (SBC). The latter changed its name to SBC Communications Inc. in 1995.

In 2005, SBC purchased its former parent AT&T Corp. and took on its branding, with the merged entity naming itself AT&T Inc. and using its history, a version of its iconic logo and stock-trading symbol which launched on December 30, 2005. AT&T Inc. acquired BellSouth Corporation in 2006, the last independent Baby Bell company, making its formerly joint venture Cingular Wireless (which had acquired AT&T Wireless in 2004) wholly owned and rebranding it as AT&T Mobility. AT&T Inc. also acquired Time Warner in 2016, with the proposed merger confirming on June 12, 2018 and the aim of making AT&T the largest and controlling shareholder of Time Warner and rebranding it as WarnerMedia in 2018.

The current AT&T reconstitutes much of the former Bell System, and includes four of the seven "Baby Bells" along with the original AT&T Corp., including the long-distance division.

Charity and sponsorship

AT&T is one of the providers of the American Enterprise Institute.

The company also sponsored the Williams Formula 1 team. started in 2012 sponsored by Red Bull Racing.

AT&T Incorporated is one of the about 500 companies and non -governmental organizations that make up the US Global Leadership. The contributions of coalition members are going on promoting the interests of American companies in the international arena diplomatic, investment and other means.


December 21, 2021
AT&T announced that they had agreed to sell Xandr (and AppNexus) to Microsoft for an undisclosed price, subject to customary closing conditions, including regulatory reviews.
November 15, 2021
AT&T takes 5G and edge computing to sea
May 18, 2021
AT&T Inc. and Discovery, Inc. announces a definitive agreement to combine WarnerMedia’s entertainment, sports and news assets with Discovery's non-fiction and international entertainment and sports businesses.
May 2021
AT&T announced plans to spin off WarnerMedia, which will merge with Discovery, Inc. for US$43 billion.
April 27, 2021
AT&T launches a new data-only plan for all prepaid customers, including those on Cricket wireless plans, for 100GB of data for $55 a month.
April 8, 2021
AT&T announces availability of Super-Fast 5G+ Service at Toyota Center available for customers to experience during Rockets games and other events.
February 25, 2021
AT&T announced that it would spin-off DirecTV, U-Verse TV, and DirecTV Stream into a separate entity, selling a 30% stake to TPG Capital (owners of Astound Broadband cable), while retaining a 70% stake in the new standalone company. The deal was closed on August 2, 2021.
December 2020
Crunchyroll was sold to Sony's Funimation for US$1.175 billion in December 2020.
May 2020
The service, named HBO Max, launched
April 24, 2020
AT&T announced that effective July 1, 2020, company COO John Stankey would replace Randall L. Stephenson as CEO of AT&T. It was also acknowledged that AT&T's acquisitions of DirecTV and Time Warner had by this point resulted in a massive debt burden of $200 billion for the company. As a result of planned cost cutting programs, the sale of Warner Bros. Interactive Entertainment was proposed, but ultimately abandoned due to COVID-19 related growth in the Gaming industry, as well as a positive reception to upcoming DC Comics, Lego Star Wars, and Harry Potter titles from fans and critics.




Further Resources


AT&T - How It Started


July 3, 2019

AT&T Business - Fiber Internet, Mobility, IoT, 5G Solutions


AT&T Company Story 2021


June 23, 2021

AT&T Completes Acquisition of DIRECTV | AT&T


Department of Defense appropriations for fiscal year 1972 : hearings before a subcommittee ... Ninety-second Congress, first session ... pt.1.



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