AT&T, formerly Cingular Wireless, is the largest wireless company in the United States, with more than 71 million subscribers who use the nation's largest digital voice and data network. AT&T is dedicated to providing customers with wireless technology designed to enrich their lives.
AT&T, formerly Cingular Wireless, is the largest wireless company in the United States, with more than 71 million subscribers who use the nation's largest digital voice and data network. AT&T is dedicated to providing customers with wireless technology designed to enrich their lives.