what was t-mobile called before it was t-mobile
T-Mobile US T-Mobile US traces its roots to the 1994 establishment of VoiceStream Wireless PCS as a subsidiary of Western Wireless Corporation. Spun off from parent Western Wireless on May 3, 1999, VoiceStream Wireless was purchased by Deutsche Telekom AG in 2001 for $35 billion and renamed T-Mobile USA, Inc. in July, 2002. In 2013, T-Mobile and MetroPCS finalized a merger of the two companies. The two companies began trading as T-Mobile US.[9][10][11][12]