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American telecommunications company providing wireless, fiber broadband, and business connectivity services.

Last updated October 24, 2026

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Overview

AT&T is a major American telecommunications company headquartered in Dallas, Texas. Its name derives from the American Telephone and Telegraph Company, established in 1885 as the long-distance subsidiary of the Bell Telephone system. Although the present-day corporation was created through the 1984 breakup of the former Bell System and is legally descended from Southwestern Bell Corporation, AT&T presents the broader Bell and AT&T lineage as part of its corporate history. For much of the twentieth century, the original AT&T operated the Bell System, a vertically integrated telephone network that controlled local exchanges, long-distance lines, telephone equipment, research, and related infrastructure. Its scale and control over interconnection made it a regulated natural monopoly in the United States. A federal antitrust action culminated in a 1982 settlement requiring the company to divest its local operating companies. On January 1, 1984, the Bell System was separated into seven regional telephone companies, commonly called the Baby Bells, while AT&T retained long-distance, equipment, and research activities. One of those regional companies, Southwestern Bell Corporation, expanded through acquisitions including Pacific Telesis and Ameritech. In 2005, Southwestern Bell's successor, SBC Communications, acquired the former AT&T Corporation and adopted the AT&T name. The transaction created the modern AT&T Inc., combining the stronger regional wireless and local-network base of SBC with the national identity and long-distance heritage of AT&T. AT&T subsequently rebuilt a broad communications portfolio. Its acquisition of BellSouth in 2006 consolidated ownership of Cingular Wireless, which was rebranded as AT&T Mobility. The company expanded into broadband, Internet protocol television through U-verse, enterprise networking, and Mexican wireless operations. It also pursued an ambitious media strategy: it acquired DirecTV in 2015 and Time Warner in 2018, renaming the latter WarnerMedia. The media expansion brought HBO, Warner Bros., Turner networks, and other entertainment assets into the group, but also increased leverage and produced limited operating synergies. The company later reversed much of that diversification. DirecTV, U-verse TV, and DirecTV Stream were placed into a separate company backed by TPG in 2021. WarnerMedia was separated from AT&T and combined with Discovery in 2022 to create Warner Bros. Discovery. AT&T also divested or transferred other media and advertising assets, including Crunchyroll, Xandr, and Warner Bros. Interactive Entertainment-related businesses. These transactions returned AT&T to a more focused communications model. Today, AT&T's principal activities are wireless communications, fiber and other broadband services, and communications solutions for businesses and public-sector customers. Its consumer proposition centers on mobile connectivity and expanding fiber availability, while its enterprise operations provide networking, mobility, cybersecurity-related connectivity, voice, and managed communications. AT&T also maintains wireless operations in Mexico. The brand competes primarily with Verizon and T-Mobile in U.S. wireless services and with cable and other fiber providers in broadband. Its current strategic emphasis is on 5G, fiber deployment, customer retention, network capacity, and disciplined capital allocation rather than owning large entertainment studios or television networks.

History

AT&T's corporate story begins with the Bell Telephone Company, founded in 1877 after Alexander Graham Bell's telephone invention. Bell-related companies built local exchanges and long-distance infrastructure, while Western Electric supplied equipment. The American Telephone and Telegraph Company was formed in 1885 to develop long-distance service and later became the central corporate entity of the Bell System. By acquiring or controlling key subsidiaries, AT&T created an integrated communications network covering local telephony, long-distance transmission, equipment manufacturing, research, and international interests. Theodore Newton Vail promoted the principle that a unified network was preferable to fragmented competition, but AT&T's dominance eventually attracted federal scrutiny. The 1913 Kingsbury Commitment placed the company under regulatory constraints while allowing the Bell System to continue operating as a coordinated network. AT&T remained the dominant U.S. telephone provider through the mid-twentieth century. Its monopoly was challenged more forcefully in the 1970s, when the Justice Department pursued an antitrust case under the Sherman Antitrust Act. The 1982 settlement required AT&T to divest its local telephone companies. The breakup took effect in 1984, creating seven Regional Bell Operating Companies and leaving AT&T with long-distance, research, and equipment-related operations. The post-breakup AT&T struggled to maintain a coherent position as telecommunications markets opened. It entered wireless and cable-related businesses, separated and reorganized operating units, and faced competition from MCI, Sprint, regional carriers, and emerging mobile providers. Meanwhile, Southwestern Bell Corporation, one of the Baby Bells, expanded aggressively. It acquired Pacific Telesis and Ameritech, strengthening its geographic and customer base. In 2005, SBC Communications acquired the former AT&T Corporation and adopted the AT&T name. This transaction produced the modern AT&T Inc. and reunited important parts of the former Bell family. The acquisition of BellSouth in 2006 further consolidated the company's regional and wireless assets and gave AT&T full control of Cingular Wireless, later renamed AT&T Mobility. During the 2010s, AT&T pursued convergence among wireless, broadband, television, and content. It launched U-verse television, acquired Mexican wireless businesses, bought DirecTV in 2015, and purchased Time Warner in 2018. The Time Warner deal brought Warner Bros., HBO, Turner networks, and related entertainment properties into the company and led to the WarnerMedia identity. AT&T also launched or supported streaming initiatives, including HBO Max, as the television market shifted from traditional pay TV to Internet distribution. The media strategy generated substantial debt and did not deliver the expected level of integration. Activist investor Elliott Management publicly criticized AT&T's capital allocation and urged portfolio changes in 2019. Under CEO John Stankey, who succeeded Randall Stephenson in 2020, AT&T began divesting media and advertising assets. DirecTV was separated with TPG backing in 2021, WarnerMedia was merged with Discovery in 2022, and other properties were sold or transferred. The resulting company is more narrowly focused on communications. AT&T Mobility remains a major U.S. wireless business, while AT&T Fiber is the principal growth platform in fixed broadband. AT&T Business serves corporate, government, and institutional customers with connectivity, networking, mobility, voice, and managed solutions. The company also operates wireless services in Mexico. Its current strategic direction emphasizes 5G, fiber expansion, network reliability, and financial discipline.

2022
WarnerMedia separation completed
[10]WarnerMedia separation completeden.wikipedia.org
WarnerMedia merged with Discovery to create Warner Bros. Discovery, leaving AT&T focused on telecommunications.
2021
DirecTV separation announced and completed
[7]DirecTV acquisitionen.wikipedia.org
AT&T placed its pay-TV assets into a separate TPG-backed company.
2020
John Stankey becomes chief executive
[9]John Stankey becomes chief executiveen.wikipedia.org
John Stankey succeeded Randall Stephenson as AT&T chief executive as the company began reassessing its media-heavy strategy.
2018
Time Warner acquisition closes
[8]Time Warner acquisition closesen.wikipedia.org
AT&T acquired Time Warner and renamed the business WarnerMedia.
2015
DirecTV acquisition
[7]DirecTV acquisitionen.wikipedia.org
AT&T completed the acquisition of DirecTV as part of its strategy to combine connectivity and pay television.
2006
BellSouth acquisition
[1]AT&Ten.wikipedia.org
AT&T acquired BellSouth, consolidating control of Cingular Wireless and expanding its telecommunications footprint.
2005
SBC adopts the AT&T name
[1]AT&Ten.wikipedia.org
SBC Communications acquired the former AT&T Corporation and rebranded itself as AT&T Inc.
1984
Bell System breakup
[2]Breakup of the Bell Systemen.wikipedia.org
The former AT&T divested its local operating companies, creating seven regional Bell companies and reshaping U.S. telecommunications.
1913
Kingsbury Commitment
[6]Kingsbury Commitmenten.wikipedia.org
AT&T accepted federal conditions concerning interconnection and competition, helping preserve the regulated Bell System structure.
1885
American Telephone and Telegraph Company is established
[1]AT&Ten.wikipedia.org
American Bell Telephone created AT&T as a long-distance subsidiary, establishing the corporate name from which the modern brand derives.

Products and positioning

A full-service communications provider focused on nationwide wireless connectivity, fiber broadband, and enterprise networking, with a legacy rooted in the Bell System.

Wireless telecommunications
AT&T Mobility
AT&T's consumer wireless business provides mobile voice, messaging, data, smartphone connectivity, 5G access, and related device services in the United States. The operation developed from the former Cingular Wireless business and became a central part of AT&T's post-breakup and post-2005 communications portfolio.
Broadband internet
AT&T Fiber
AT&T Fiber is the company's fiber-to-the-premises broadband service. It is positioned around high-speed Internet access for households and small businesses and has become a principal network investment and growth area as AT&T shifts away from legacy copper-based services.
Enterprise communications
AT&T Business
AT&T Business serves companies, government organizations, and institutions with wireless services, broadband, private and managed networking, voice, mobility, and other communications infrastructure. Its offerings support both domestic connectivity and large-scale enterprise network requirements.
Television and broadband
U-verse
U-verse was AT&T's Internet protocol television and broadband brand. It formed part of the company's earlier effort to combine fixed-line communications and pay-TV services, although AT&T later separated or discontinued much of its traditional video strategy.
Pay television · 2015
DirecTV
DirecTV was acquired by AT&T in 2015 and became a major component of its media and video portfolio. AT&T later transferred DirecTV and related video assets into a separate company backed by TPG, while continuing to offer certain commercial relationships and bundles.

Controversies

2026
Federal judge grants final approval to AT&T's $177 million data breach settlement
A federal judge granted final approval to AT&T's combined $177 million settlement covering two data breaches disclosed in 2024 that exposed personal information of millions of current and former AT&T customers, with breaches dating back as far as 2019. Eligible claimants who filed by the December 18, 2025 deadline are expected to receive payments after the appeals period expires around November 8, 2026, with distribution within 60 days and payments possibly arriving as late as early January 2027.
Source
2026
FCC fines four companies over 911 outages
The FCC’s Enforcement Bureau settled investigations into AT&T, Lumen Technologies, Intrado, and Verizon over 911 outages and failures to notify the FCC and 911 operators. The companies were to pay a combined $6 million and implement a compliance plan.
Source
2022
Communications Workers of America sues AT&T Mobility Services over arbitration dispute
The Communications Workers of America filed a lawsuit against AT&T Mobility Services LLC concerning the discharge of a Florida retail-store employee and the company's alleged refusal to arbitrate the employee's grievance. The union alleges that the refusal breached the collective bargaining agreement.
Source
2021
AT&T settles District of Columbia overcharging lawsuit
AT&T agreed to pay the District of Columbia $1.5 million to settle a lawsuit over alleged overcharging under a 2012 services contract. The Office of the Attorney General alleged that AT&T submitted false invoices and charged for features and services that did not meet the contract’s requirements.
Source
2021
SEC sues AT&T over disclosures to analysts
The U.S. Securities and Exchange Commission sued AT&T, alleging that it provided nonpublic information to analysts so they would lower revenue expectations ahead of a quarterly report.
Source
2021
Network Apps sues AT&T over Twinning Solution
Network Apps filed a complaint against AT&T entities alleging breach of contract and patent infringement related to its Twinning Solution. The allegations are described as claims by the plaintiffs, not as established findings.
Source
2020
AT&T clarifies 3G shutdown email and apologizes
AT&T sent an email to certain customers about the future 3G shutdown that caused concern because it omitted that support would continue until early 2022. The company subsequently clarified the email's purpose, acknowledged that it should have included the support end date, apologized for the confusion, and stated that future updates would be clearer.
Source
2019
AT&T to pay $60 million to settle unlimited-plan allegations
AT&T agreed to pay $60 million to settle a government allegation that it misled customers of unlimited-data plans by slowing down service for heavy users. The FTC said AT&T must prominently disclose restrictions on data speeds or amounts. The settlement addresses the claim that customers were misled about the unlimited nature of their plans.
Source
2019
BBiTV sues AT&T and Dish over streaming patents
BBiTV filed three lawsuits in federal court in Waco, Texas, alleging that AT&T’s U-verse and DirecTV platforms and Dish Network’s satellite TV service violated four patents related to video-on-demand services using set-top boxes and mobile apps. The article reports allegations, not a court determination.
Source
1974
United States antitrust case against AT&T
The U.S. Department of Justice brought a major antitrust action alleging that AT&T used the structure and advantages of the Bell System to restrict competition. The case ended in a 1982 settlement requiring the breakup of the company's local telephone monopoly.
Source

Reach Out and Touch Someone
United States
A long-running AT&T advertising theme associated the telephone with maintaining personal relationships across distance. The campaign became one of the best-known expressions of the company's consumer communications positioning.
Outcome. Established a durable emotional association between AT&T and long-distance communication.
Source
More for Your Thing
United States
AT&T used this platform to promote the breadth of its wireless, broadband, entertainment, and communications services to consumers.
Outcome. Supported the brand's bundled-services positioning during its convergence strategy.
Source

Brand decisions

2022
Separate WarnerMedia and merge it with DiscoveryM&A
Background
AT&T reassessed its vertically integrated telecom-and-media model after the acquisition increased leverage and produced weaker-than-expected synergies.
Action taken
AT&T distributed its WarnerMedia interest as part of a transaction combining the business with Discovery.
Aftermath
Warner Bros. Discovery became a separate media company and AT&T returned to a communications-centered strategy.
Reported transaction value. 43 billion USD (2021 announcement)
Source
2021
Separate DirecTV and related video assetsM&A
Background
AT&T's pay-TV operations faced structural pressure while the company sought to reduce complexity and focus on connectivity.
Action taken
AT&T transferred DirecTV, U-verse TV, and DirecTV Stream into a separate entity with TPG as a minority investor.
Aftermath
AT&T retained a majority interest initially but no longer operated the assets as a core communications segment.
Source
2018
Acquire Time WarnerM&A
Background
AT&T aimed to add premium content and entertainment production to its distribution businesses.
Action taken
AT&T completed the acquisition after prevailing in the government's challenge to the transaction and renamed the acquired group WarnerMedia.
Aftermath
AT&T later separated WarnerMedia and combined it with Discovery in 2022.
Announced transaction value. 108.7 billion USD (2016 announcement)
Source
2015
Acquire DirecTVM&A
Background
AT&T sought to combine wireless, broadband, and pay-TV distribution in response to changing consumer media habits.
Action taken
AT&T acquired DirecTV and integrated it into a broader communications and entertainment strategy.
Aftermath
The video business was later separated as AT&T retreated from its media-heavy portfolio.
Reported transaction value. 48.5 billion USD (2015)
Source
1982
Accept the Bell System divestitureStrategy
Background
AT&T faced a long-running federal antitrust case concerning its control over U.S. telephone infrastructure and related markets.
Action taken
AT&T settled with the government and agreed to separate its local operating companies into seven regional businesses.
Aftermath
The breakup took effect in 1984 and permanently changed the structure of American telecommunications.
Source

Recent events

Unconfirmed
FCC fines four companies over 911 outages[17]FCC fines four companies over 911 outagesdatacenterdynamics.com
Reported: 2026-11-02
The FCC’s Enforcement Bureau settled investigations into AT&T, Lumen Technologies, Intrado, and Verizon over 911 outages and failures to notify the FCC and 911 operators. The companies were to pay a combined $6 million and implement a compliance plan.
2026-10-21
AT&T lifts profit outlook[23]AT&T 上调利润展望news.google.com
Reported: 2026-10-21
A headline reports that AT&T lifted its profit outlook, citing continued growth in postpaid phone and internet services.
2026-10-21
AT&T and OpenAI partner to build a legal AI knowledge layer[24]AT&T与OpenAI合作构建法律人工智能知识层newsroomamerica.com
Reported: 2026-10-21
AT&T is working with OpenAI to build a knowledge layer that connects AT&T's accumulated legal expertise with incoming work for its lawyers, building on its LegalEdge initiative.
2026-10-14
Televisa announces acquisition of AT&T's Mexican unit[25]Televisa宣布收购AT&T墨西哥业务telecom.economictimes.indiatimes.com
Reported: 2026-10-15
Mexican broadcaster Televisa announced it would buy AT&T's Mexican unit, in a move welcomed by investors that would set up increased competition with market leader America Movil. The transaction is expected to close in the first quarter of 2027.
Unconfirmed
Federal judge grants final approval to AT&T's $177 million data breach settlement[12]Federal judge grants final approval to AT&T's $177 million data breach settlement999ktdy.com
Reported: 2026-10-10
A federal judge granted final approval to AT&T's combined $177 million settlement covering two data breaches disclosed in 2024 that exposed personal information of millions of current and former AT&T customers, with breaches dating back as far as 2019. Eligible claimants who filed by the December 18, 2025 deadline are expected to receive payments after the appeals period expires around November 8, 2026, with distribution within 60 days and payments possibly arriving as late as early January 2027.
2026-10-08
SpaceX announces agreement to acquire nationwide 800 MHz spectrum portfolio from Grain Management[26]SpaceX宣布从Grain Management收购全国800 MHz频谱组合的协议cnbc.com
Reported: 2026-10-08
SpaceX announced on Thursday (Oct. 8, 2026) an agreement to purchase a nationwide spectrum portfolio from digital infrastructure firm Grain Management — a license portfolio of up to 14 MHz of paired spectrum in the 800 MHz band — as it pushes its Starlink service deeper into the U.S. telecommunications market. The deal is subject to approval by the Federal Communications Commission. Shares of AT&T, Verizon and T-Mobile tumbled in extended trading on the news.
Weekdays and relative dates follow the original report; their exact calendar dates have not been verified.
2026-10-08
SpaceX agrees to acquire nationwide 800 MHz low-band spectrum portfolio from Grain Management[27]SpaceX 达成协议收购 Grain Management 所持全美 800 MHz 低频段频谱组合finance.sina.com.cn
Reported: 2026-10-08
Reuters reported on 8 October 2026 that Elon Musk's space company SpaceX has reached an agreement to acquire a nationwide portfolio of low-band mobile spectrum licenses — the US-wide 800 MHz low-band spectrum (up to 14 MHz of paired spectrum) held by private equity firm Grain Management — with the deal still requiring approval from the US Federal Communications Commission (FCC). SpaceX said the added 800 MHz low-band spectrum would fill a key signal-penetration gap for its Starlink Mobile service, enabling a hybrid satellite-terrestrial network, and the company said the deal would clear a major obstacle for Starlink Mobile to become a major US mobile carrier. After the report, shares of AT&T, T-Mobile and Verizon fell in after-hours trading amid concerns about increased competition and a potential price war.
2022-01-25
AT&T announces 2Gbps and 5Gbps fiber services[28]AT&T宣布提供2Gbps与5Gbps光纤服务gizchina.com
Reported: 2022-01-25
AT&T announced that it would provide 2Gbps and 5Gbps optical fiber access services in more than 70 metropolitan areas.
2022-01-04
Communications Workers of America sues AT&T Mobility Services over arbitration dispute[18]Communications Workers of America sues AT&T Mobility Services over arbitration disputelawstreetmedia.com
Reported: 2022-01-06
The Communications Workers of America filed a lawsuit against AT&T Mobility Services LLC concerning the discharge of a Florida retail-store employee and the company's alleged refusal to arbitrate the employee's grievance. The union alleges that the refusal breached the collective bargaining agreement.
2021-12-21
Microsoft announces agreement to acquire Xandr[29]微软宣布收购 Xandrsiliconangle.com
Reported: 2021-12-21
Microsoft and AT&T announced an agreement for Microsoft to acquire AT&T’s Xandr advertising technology unit. The purchase price was not disclosed.

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