What is the full form of AT & T:

AT & T represents American Telephone and Telegraph Company.

AT&T is the second biggest contributor of mobile telephone and the biggest supplier of fixed cell phone. In the United States, and also provide broadband donation television forces.. American Telephone and Telegraph Company (AT&T), multinational telecommunications corporation is the third-largest company in Texas (the largest non-oil corporation, at the back simply ExxonMobil and ConocoPhillips, and also the principal Dallas corporation).As of May 2014, AT&T is the 23rd-largest corporation in the globe as measured by a compound of revenues, profits, assets and market value, 16th-largest non-oil company. As of 2015, it is also the 18th-largest mobile telecom operator in the earth, with over 123.9 million movable clients.

AT&T multinational telecommunications corporation Inc. start on its endurance as South-western, one of seven quarter Bell Operating company(RBOC's) fashioned in 1983 in the divestiture of the American Telephone and Telegraph theatre group (founded 1885, later AT&T Corp.) subsequent the 1982 United States v. AT&T antitrust complaint. South-western Bell deformed its name to SBC Communications Inc. in 1995. In 2005, SBC acquire preceding parent AT&T Corp. and take on its brand, with the compound article identification itself AT&T Inc. and use the iconic AT&T Corp. logo and stock-trading sign.

The present AT&T reconstitutes much of the previous Bell System and includes ten of the innovative 22 Bell Operating Companies, all along with the unique long detachment partition.

AT&T can copy its derivation back to the innovative Bell Telephone Company found by Alexander Graham Bell after his development of the telephone. One of that company's subsidiary was American Telephone and Telegraph Company (AT&T), recognized in 1885, which acquired the Bell Company on December 31, 1899 for legal reasons, leaving AT&T as the main corporation.