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T-Mobile is the second-largest wireless carrier in the U.S. by subscribers, formed through a 2020 merger with Sprint
T-Mobile, a Bellevue-based wireless carrier born from a 2020 Sprint merger, competes with AT&T and Verizon as one of America's three major mobile service providers.
T-Mobile $TMUS US is a wireless telecommunications carrier headquartered in Bellevue, Washington, and one of three dominant providers of mobile phone and data services in the U.S., alongside AT&T $T and Verizon $VZ. The company offers consumer and business customers postpaid and prepaid wireless plans, home internet service, and, more recently, broadband products — including broadband for business customers backed by Starlink as a satellite connection.
T-Mobile traces its U.S. roots to 1994, when the carrier now known as T-Mobile launched as VoiceStream Wireless. Deutsche Telekom, the German state-backed telecommunications giant, acquired it in 2001 and rebranded it T-Mobile USA. The company remained a mid-tier competitor for years before an aggressive strategy centered on eliminating annual service contracts and reducing consumer fees — a campaign it branded the "Un-carrier" movement, launched in 2013 — accelerated its subscriber growth and competitive standing.
