The new entity would be the biggest in the US , combining AT & T 's 95 million customers with T-Mobile 's 34 million users for a total of 130 million subscribers . The acquisition will expand AT & T 's 4 G network by 1.2 million square miles . T - Mobile parent company Deutsche Telekom will have an 8 % equity stake in AT & T . The deal has been approved by both companies ' boards .
The acquisition will expand AT & T 's 4 G network by 1.2 million square miles . T - Mobile parent company Deutsche Telekom will have an 8 % equity stake in AT & T . The deal has been approved by both companies ' boards .