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      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001182438</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
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      <issuerInfo>
        <issuerCik>0001283699</issuerCik>
        <issuerName>T-Mobile US, Inc.</issuerName>
        <secFileNumber>001-33409</secFileNumber>
        <issuerAddress>
          <com:street1>12920 SE 38TH STREET</com:street1>
          <com:city>BELLEVUE</com:city>
          <com:stateOrCountry>WA</com:stateOrCountry>
          <com:zipCode>98006</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>800-318-9270</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>SIEVERT G MICHAEL</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
          <relationshipToIssuer>Director</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Fidelity Brokerage Services LLC</name>
          <address>
            <com:street1>900 Salem Street</com:street1>
            <com:city>Smithfield</com:city>
            <com:stateOrCountry>RI</com:stateOrCountry>
            <com:zipCode>02917</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>20000</noOfUnitsSold>
        <aggregateMarketValue>3275695.93</aggregateMarketValue>
        <noOfUnitsOutstanding>1186867575</noOfUnitsOutstanding>
        <approxSaleDate>02/28/2024</approxSaleDate>
        <securitiesExchangeName>NASDAQ</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>02/15/2021</acquiredDate>
        <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>12419</amountOfSecuritiesAcquired>
        <paymentDate>02/15/2021</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>02/15/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>7581</amountOfSecuritiesAcquired>
        <paymentDate>02/15/2024</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>G M. Sievert</name>
          <address>
            <com:street1>12920 SE 38th Street</com:street1>
            <com:city>Bellevue</com:city>
            <com:stateOrCountry>WA</com:stateOrCountry>
            <com:zipCode>98006-1350</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>02/15/2024</saleDate>
        <amountOfSecuritiesSold>40000</amountOfSecuritiesSold>
        <grossProceeds>6442045.39</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>G M. Sievert</name>
          <address>
            <com:street1>12920 SE 38th Street</com:street1>
            <com:city>Bellevue</com:city>
            <com:stateOrCountry>WA</com:stateOrCountry>
            <com:zipCode>98006-1350</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>02/27/2024</saleDate>
        <amountOfSecuritiesSold>20000</amountOfSecuritiesSold>
        <grossProceeds>3274146.83</grossProceeds>
      </securitiesSoldInPast3Months>
      <remarks>G Michael Sievert and G M. Sievert are one and the same person.</remarks>
      <noticeSignature>
        <noticeDate>02/28/2024</noticeDate>
        <planAdoptionDates>
          <planAdoptionDate>11/16/2023</planAdoptionDate>
        </planAdoptionDates>
        <signature>/s/ Emily Navaro, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for  G M. Sievert.</signature>
      </noticeSignature>
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text: 144
  0001182438
  XXXXXXXX
  LIVE
  0001283699
  T-Mobile US, Inc.
  001-33409
  12920 SE 38TH STREET
  BELLEVUE
  WA
  98006
  800-318-9270
  SIEVERT G MICHAEL
  Officer
  Director
  Common
  Fidelity Brokerage Services LLC
  900 Salem Street
  Smithfield
  RI
  02917
  20000
  3275695.93
  1186867575
  02/28/2024
  NASDAQ
  Common
  02/15/2021
  Restricted Stock Vesting
  Issuer
  N
  12419
  02/15/2021
  Compensation
  Common
  02/15/2024
  Restricted Stock Vesting
  Issuer
  N
  7581
  02/15/2024
  Compensation
  N
  G M. Sievert
  12920 SE 38th Street
  Bellevue
  WA
  98006-1350
  Common
  02/15/2024
  40000
  6442045.39
  G M. Sievert
  12920 SE 38th Street
  Bellevue
  WA
  98006-1350
  Common
  02/27/2024
  20000
  3274146.83
  G Michael Sievert and G M. Sievert are one and the same person.
  02/28/2024
  11/16/2023
  /s/ Emily Navaro, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for  G M. Sievert.