We’re changing the wireless industry for good. Based in Bellevue, Wash., T-Mobile USA is a national provider of wireless voice, messaging, and data, all built... on America’s fastest 4G LTE Network. Now covering 308 million Americans, T-Mobile is growing faster than ever, all while abolishing the restrictions, runarounds, overages, and over-promises by other wireless companies. That’s why we are the Un-carrier. And #WeWontStop.