Item 7.01 - Regulation FD Disclosure.

On January 6, 2021, T-Mobile US, Inc. (the "Company") issued a press release announcing selected customer information for the quarter and year ended December 31, 2020.

A copy of the Company's press release is attached as Exhibit 99.1 .



The information contained in this report will not be deemed "filed" for purposes
of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange
Act"), or incorporated by reference in any filing under the Securities Act of
1933, as amended, or the Exchange Act, except as may be expressly set forth by
specific reference in such a filing.

Item 8.01 - Other Events.



Included in this Current Report on Form 8-K as Exhibit   22.1   is a list of
subsidiary guarantors and issuers of guaranteed securities and affiliates whose
securities collateralize securities of the Company as of September 30, 2020.


Item 9.01 - Financial Statements and Exhibits.
(d) Exhibits:
Exhibit             Description
  99.1                Press release, dated January 6, 2021, entitled

"T-Mobile Adds 5.5 Million


                    Postpaid Customers in 2020 - the Most in Company

History - and Further Expands 5G


                    Network Leadership by Exceeding Ambitious 2020 5G

Goals"


  22.1                List of Guarantor Subsidiaries
104                 Cover Page Interactive Data File (formatted as inline

XBRL and contained in Exhibit


                    101)

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