T-Mobile US, Inc. is a major American wireless network operator known as the "Un-carrier," providing wireless voice, messaging, and data services, including a leading nationwide 5G network. Headquartered in Bellevue, Washington, and majority-owned by Deutsche Telekom AG, it serves over 100 million customers, offering competitive, consumer-friendly plans and devices.

T-Mobile US, Inc. is a major American wireless network operator known as the "Un-carrier," providing wireless voice, messaging, and data services, including a leading nationwide 5G network. Headquartered in Bellevue, Washington, and majority-owned by Deutsche Telekom AG, it serves over 100 million customers, offering competitive, consumer-friendly plans and devices.