Quick Facts Connection is good. In a world full of busy and fragmented lives, we at T-Mobile USA, Inc., have this idea that wireless communications can help. The value of our plans, the breadth of our coverage, the reliability of our network, and the quality of our service are meant to do one thing: help you stick together with the people who make your life come alive. That's why we're here. Headquarters: Bellevue, Washington Coverage: T-Mobile USA is a national provider of wireless voice, messaging, and data services capable of reaching over 293 million Americans where they live, work, and play. Around the country, our Personal Coverage Check gives customers a clear picture of their local coverage. Number of Employees: 42,000 Ownership: T-Mobile USA, Inc. is the U.S. wirele