T-Mobile US, Inc., together with its subsidiaries, provides wireless communications services in the United States, Puerto Rico, and the United States Virgin Islands. The company offers voice, messaging, and data services to postpaid, prepaid, and wholesale and other services customers. It also provides wireless devices, including smartphones, wearables, tablets, home broadband routers, and other mobile communication devices, as well as accessories; financing through equipment installment plans; reinsurance for device insurance policies and extended warranty contracts; and high-speed internet services. The company offers services, devices, and accessories under the T-Mobile, Metro by T-Mobile, and Mint Mobile brands through its owned and operated retail stores, customer care channels, national retailers, and its websites, as well as through T-Mobile, Metro by T-Mobile, and Mint Mobile apps.