T-Mobile US is a major telecommunications company based in the United States, known for providing wireless voice, messaging, and data services. It operates a nationwide 4G LTE and 5G network, offering various plans for individuals and businesses. T-Mobile is recognized for its customer-friendly policies, including no annual service contracts and unlimited data options. Founded in 2000, T-Mobile US is a subsidiary of the German company Deutsche Telekom. The company has grown significantly through mergers and acquisitions, including its notable merger with Sprint in 2020. T-Mobile continues to innovate in the telecommunications industry, focusing on expanding its network and improving customer experience.