What is attt?

AT&T is an American multinational telecommunications company, one of the largest providers of mobile telephone and fixed telephone services in the country. AT&T also provides broadband subscription television services through DirecTV. The company was founded in 1983 and is headquartered in Dallas, Texas. AT&T has a significant presence in both the consumer and business markets, offering a wide range of services such as wireless, wireline, and internet services. The company operates through several subsidiaries and has a large network of retail stores across the United States. AT&T is also involved in media and entertainment through its ownership of WarnerMedia, which includes brands such as HBO, CNN, and Warner Bros.