About

AT&T Inc., an American multinational telecommunications holding company, is headquartered at Whitacre Tower in Downtown Dallas, Texas. Founded as Southwestern Bell Corporation (SBC) on October 5, 1983, and later renamed AT&T Inc. on November 18, 2005, it is an abbreviation for its predecessor's former name, the American Telephone and Telegraph Company. Operating in the telecommunications industry, AT&T is the world's third largest telecommunications company by revenue and the third largest wireless carrier in the United States, competing with T-Mobile and Verizon. The company reported US$ 122.3 billion in revenue for 2024, and was ranked 32nd on the Fortune 500 in 2023 with revenues of $122.4 billion. The provided data does not include specific details on its product portfolio, leadership, or employee count.