BELLEVUE, Wash.–(BUSINESS WIRE)–T-Mobile US, Inc. (NASDAQ: TMUS): Industry-Leading Growth in Postpaid and Broadband Customers(1) Postpaid net account additions of 394 thousand, best in industry and highest in company history Postpaid net customer additions of 1.6 million, more than AT&T and Verizon combined Postpaid phone net customer additions of 854 thousand, best in industry and highest since merger Postpaid phone churn of 0.88%, only operator to improve year-over-year High Speed Inter