T-Mobile US, Inc.

T-Mobile US, Inc. is an American wireless network operator headquartered in Bellevue, Washington. The company's mission is to redefine wireless services through product and service innovation, challenging the status quo to deliver the best network, value, and experience for its customers.

The company provides a comprehensive suite of telecommunications products and services, including 4G LTE and 5G mobile voice, messaging, and high-speed data services, as well as a range of devices such as smartphones, wearables, and tablets. T-Mobile also offers home internet through Fixed Wireless Access (FWA) and business internet solutions, including its SuperBroadband service that integrates 5G with Starlink satellite connectivity. Its market segments span both business-to-consumer (B2C) customers, including value-conscious individuals, tech enthusiasts, and families, and business-to-business (B2B) clients ranging from small businesses to large enterprises and government entities.

T-Mobile US is positioned as the second-largest wireless carrier in the United States, known for its "Un-carrier" strategy that emphasizes customer-first policies, transparent pricing, and aggressive network expansion, particularly in 5G. Recent developments include the integration of UScellular's network, the launch of SuperBroadband for businesses, and strategic investments in fiber joint ventures to expand its broadband footprint. As of November 2025, Srini Gopalan serves as the President and Chief Executive Officer.