AT&T Inc. provides telecommunications and technology services worldwide through two segments: Communications and Latin America. The Communications segment offers wireless voice and data services, sells devices and accessories, and provides internet, fiber, broadband, fixed wireless, and managed professional services to businesses, government, and wholesale customers, as well as broadband and voice services to residential customers. The Latin America segment provides postpaid and prepaid wireless services in Mexico under the AT&T and Unefon brands. Formerly SBC Communications Inc., the company changed its name to AT&T Inc. in 2005, was incorporated in 1983, and is based in Dallas, Texas.