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 $800,000,000 aggregate principal amount of its 4.625% Senior Notes due 2033 (the "2033 Notes†), $1,000,000,000 aggregate principal amount of its 4.950% Senior Notes due 2035 (the "2035 Notes†) and $1,000,000,000 aggregate principal amount of its 5.700% Senior Notes due 2056 (the "2056 Note. ...