T-Mobile US, Inc. is a telecommunications company that provides wireless voice, messaging, and data services across the United States, Puerto Rico, and the U.S. Virgin Islands. The company operates through its flagship brands T-Mobile, Metro by T-Mobile, and Mint Mobile, serving postpaid, prepaid, and wholesale customers with mobile plans, device financing, and customer support. Its offerings also include smartphones, tablets, wearables, accessories, and fixed wireless home internet, supported by advanced 4G LTE and nationwide 5G network infrastructure. T-Mobile US plays a major role in the U.S. connectivity market by combining consumer wireless, business services, and broadband access in a single operating platform. Headquartered in Bellevue, Washington, T-Mobile US focuses on delivering mobile communications and internet services for individuals, households, and enterprises.