At&t provides local long distance and other communications services and products as well as network equipment and computer systems to businesses consumers telecommunications service providers and government agencies. Provides wireless voice and data services to customers across the united states. site features product and service information for both consumers and businesses. At&t inc. is the largest provider of fixed telephony in the united states and also provides broadband and subscription television services.. See what at&t u-verse services and offers are available for your area. Stay informed with up to date news weather entertainment sports email finance and more. at at&t you have access to some of the best content available.. Explore opportunities in the telecommunications industry. learn about careers at at&t and find career possibilities with the largest communications company in the. Learn about cell phone plans services and network coverage offered by at&t. At&t corporation originally the american telephone & telegraph company is an. and its subsidiary at&t communications still provides long distance service.