AT&T Inc., a global provider of telecommunications and technology services, operates through two segments: Communications and Latin America. The Communications segment offers wireless voice and data communications services, and also provides a variety of products and services to multinational corporations, small and mid-sized businesses, governmental, and wholesale customers. The Latin America segment provides postpaid and prepaid wireless services in Mexico, in addition to selling smartphones through its owned stores, agents, and third-party retail stores. The company's communications services and products are marketed under various brand names, including AT&T, Cricket, AT&T PREPAID, and AT&T Fiber. AT&T Inc. was incorporated in 1983, headquartered in Dallas, Texas, and was formerly known as SBC Communications Inc. before changing its name in 2005.