https://www.cnbc.com/2018/04/30/how-would-a-t-mobile-sprint-merger-affect-your-cellphone-bill.html >WASHINGTON — T-Mobile's proposed merger with Sprint would create a new national wireless giant capable of taking on Verizon and AT&T. The combined company, which would be called T-Mobile, would cover about 100 million customers. >But how, exactly, will all those customers fare if regulators sign off on the deal? And what about the millions of customers who use Verizon and AT&T?