AT&T Corporation

AT&T Corporation
	AT&T Corporation's logo used from 1983 until 1999.
	AT&T Corporation's former headquarters at 550 Madison Avenue in New York City
Formerly	American Telephone and Telegraph Company (1885–1994)
Former type	Public
Traded as	NYSE: T
Industry	Telecommunications
Fate	Acquired by SBC Communications
Predecessor	American Bell
Successor	AT&T
Founded	March 3, 1885; 139 years ago in New York City, United States
Founder	Theodore Newton Vail
Defunct	== AT&T Corporation Media == A Bell System logo (called the Blue Bell) used from 1889 to 1916. ; Share of the American Telephone & Telegraph Company, issued 20. December 1921 ; The 180,000-pound linear cable laying engine of CS Long Lines used for cable flow from storage to seabed. ; AT&T Long Lines cable ship working on the cable linking mainland Vero Beach, Florida to St. Thomas in the Virgin Islands. Typical maps, US to Venezuela cable route. ; AT&T Basking Ridge "Pagoda" campus renditions for office complex, 1972 ; AT&T 550 Madison Ave building no longer corporate headquarters after 1992 (pictured 2021) ; AT&T Basking Ridge complex prior to becoming corporate headquarters. Satellite image from 1991 ; AT&T Learning Center courtyard, fountain sculpture designed by Elyn Zimmerman (not pictured) ; Theodore Newton Vail, bw photo portrait, 1913 ; May 1, 2024; 6 months ago
Headquarters	Bedminster, New Jersey, United States
Area served	United States
Products	Telephone services; Long-distance calling; Internet services
Parent	American Bell (1885–1899); AT&T (2005-2024)
Subsidiaries	AT&T Communications

AT&T Corporation, commonly referred to as AT&T, an abbreviation for its former name, the American Telephone and Telegraph Company, was an American telecommunications company that provided voice, video, data, and Internet telecommunications and professional services to businesses, consumers, and government agencies.