AT&T Inc., headquartered in Dallas, Texas, is an American multinational telecommunications corporation. AT&T is the second largest provider of mobile telephone service and the largest provider of fixed telephone service in the US. AT&T also provides broadband subscription television services. AT&T has more than 16,000 retail locations in the U.S., including over 2,200 company-owned stores, kiosks, authorized dealers and third party retail locations. The company-owned stores sell all AT&T products and services including wireless, landline, Internet, U-Verse and offer shoppers a chance to interact with fully functioning wireless handsets and services.