T-Mobile

T-Mobile US, Inc., commonly shortened to T-Mobile, is a United States-based wireless network operator whose majority shareholder is the German telecommunications company Deutsche Telekom. Its headquarters are located in Bellevue, Washington, in the Seattle metropolitan area. T-Mobile is the third largest wireless carrier in the United States with 81.3 million customers as of Q1 2019.T-Mobile US provides wireless voice and data services in the United States, Puerto Rico and the U.S. Virgin Islands under the T-Mobile and Metro by T-Mobile brands, and also serves as the host network for many mobile virtual network operators. The company has annual revenues of over $40 billion. In 2015, Consumer Reports named T-Mobile the number one American wireless carrier. In 2017, T-Mobile was ranked #1 in Customer Service Satisfaction by Nielsen.