T-Mobile US, Inc. is a wireless network operator based in Bellevue, Washington, and a subsidiary of Deutsche Telekom. Its headquarters are located in the Seattle metropolitan area. The company provides wireless voice, messaging, and data services to customers across the United States, and has a network that covers more than 325 million people. T-Mobile offers a wide range of plans and services, including unlimited data plans, prepaid plans, and family plans, as well as a variety of devices from leading manufacturers. The company has been recognized for its innovative marketing and customer service, and has received numerous awards and accolades for its products and services.