T-Mobile is the brand of telecommunications by Deutsche Telekom.

T-Mobile may also refer to:

Deutsche Telekom's current and former subsidiaries
  • T-Mobile US, an American wireless network operator known simply as "T-Mobile"
  • T-Mobile Polska, a Polish mobile phone network operator
  • T-Mobile Czech Republic, a Czech wireless network operator
  • T-Mobile UK, a former UK mobile phone network operator which merged with the former Orange UK to create EE
  • Magenta Telekom, an Austria wireless network operator formerly known as T-Mobile Austria
  • Odido, a Dutch mobile phone network operator formerly known as T-Mobile Netherlands
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