Is T-Mobile and AT&T the same network?

T-Mobile and AT&T both utilize network technology based on GSM and UMTS standards , which allows for this sharing of voice and data traffic. About T-Mobile USA: Based in Bellevue, Wash., T-Mobile USA, Inc. is the U.S. wireless operation of Deutsche Telekom AG (OTCQX: DTEGY).

Deutsche TelekomT-Mobile US / Üst kuruluşu

T-Mobile buys Verizon wireless spectrum in $3.3 billion deal – CNET.

As America’s Un-carrier, T-Mobile US, Inc. is redefining the way consumers and businesses buy wireless services through leading product and service innovation.