Globally , T-Mobile has 101 million subscribers , making it the world 's sixth largest mobile phone service provider by subscribers and the third largest multinational after the United Kingdom 's Vodafone and Spain 's Telefonica . Globally , T-Mobile has some 150 million subscribers , making it the world 's tenth largest mobile phone service provider by subscribers and the third largest multinational after the United Kingdom 's Vodafone and Spain 's TelefÃ nica .