AT&T

AT&T Inc., an abbreviation of its predecessor's original name, the American Telephone and Telegraph Company, is an American multinational telecommunications company headquartered at the Whitacre Tower in Downtown Dallas, Texas. AT&T is the world's third-largest telecommunications company by revenue, the third-largest wireless carrier in the United States behind T-Mobile and Verizon, and the nation's largest fiber internet provider. On the New York Stock Exchange, AT&T trades under the ticker symbol "T", and has a market capitalization of $186.83 billion. On the Fortune 500 (2025), AT&T ranked 37th among the largest American businesses and reported revenues of $125.6 billion.

• AT&T Axia
• AT&T Calypso
• AT&T Calypso 2
• AT&T Calypso 3
• AT&T Calypso 4
• AT&T Cingular Flex
• AT&T Cingular Flex 2
• AT&T Cingular Flip IV
• AT&T Fusion 5G
• AT&T Fusion Z
• AT&T Maestro
• AT&T Maestro 3
• AT&T Maestro Max
• AT&T Maestro Plus
• AT&T Motivate 2
• AT&T Motivate 3
• AT&T Motivate 4
• AT&T Motivate Max
• AT&T Propel 5G
• AT&T Radiant Core
• AT&T Radiant Max
• AT&T Radiant Max 5G
• AT&T Verge
• AT&T Vista