T-Mobile USA, Inc. offers mobile communications services under the T-Mobile brands in the United States, Puerto Rico, and the U.S. Virgin Islands. Its service offerings include postpaid and prepaid wireless voice, messaging and data services, mobile broadband, and wholesale wireless services. T-Mobile USA, Inc. sells services, handsets, and accessories through T-Mobile owned and operated retail stores; independent third party retail outlets; and over the Internet through the T-Mobile Website and various third party Web locations. It offers wireless handsets and accessories, including smartphones, notebooks and tablets, and data cards manufactured by various suppliers. The company sells handsets directly to consumers, as well as to dealers and other third party distributors for resale. It provides service to approximately 34.0 million customers through its network. The company is headquartered in Bellevue, Washington. T-Mobile USA, Inc. is a subsidiary of Deutsche Telekom AG.