BELLEVUE, Wash.--(BUSINESS WIRE)--T-Mobile US, Inc. (NASDAQ: TMUS) (“T-Mobile”) announced today that T-Mobile USA, Inc., its direct wholly-owned subsidiary (“T-Mobile USA” or the “Issuer”), has agreed to sell $1,000,000,000 aggregate principal amount of its 4.850% Senior Notes due 2029 (the “2029 Notes”), $1,250,000,000 aggregate principal amount of its 5.150% Senior Notes due 2034 (the “2034 Notes”) and $750,000,000 aggregate principal amount of its 5.500% Senior Notes due 2055 (the “2055 Notes,” and colle ...