Exhibit 22.1
Subsidiary Guarantors and Issuers of Guaranteed Securities and Affiliates Whose Securities Collateralize Securities of the Registrant
Guaranteed Securities
The following securities (collectively, the “Resale Notes”), issued by T-Mobile USA, Inc., a Delaware corporation and wholly-owned subsidiary of T-Mobile US, Inc. (the “Company”) and registered for resale pursuant to the Registration Statement on Form S-3 to which this Exhibit 22.1 pertains, were outstanding as of March 30, 2021:
| Description of Notes |
| 4.000% senior notes due 2022-1 held by affiliate |
| 4.500% senior notes due 2026-1 held by affiliate |
| 5.375% senior notes due 2027-1 held by affiliate |
| 4.750% senior notes due 2028-1 held by affiliate |
Obligors
As of March 30, 2021, the obligors under the Resale Notes consisted of the Company, as a guarantor, and its subsidiaries listed in the following table. The obligors under any debt securities issued from time to time under (x) the Indenture, dated as of April 28, 2013, among T-Mobile USA, Inc., the guarantors party thereto, and Deutsche Bank Trust Company Americas, as trustee or (y) the Indenture, dated as of April 9, 2020, by and among T-Mobile USA, Inc., T-Mobile US, Inc. and Deutsche Bank Trust Company Americas, as trustee, may in either case also consist of the Company, as a guarantor, and its subsidiaries listed in the following table.
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| Name of Subsidiary | Jurisdiction of Organization | Obligor Type |
| Alda Wireless Holdings, LLC | Delaware | Guarantor |
| American Telecasting Development, LLC | Delaware | Guarantor |
| American Telecasting of Anchorage, LLC | Delaware | Guarantor |
| American Telecasting of Columbus, LLC | Delaware | Guarantor |
| American Telecasting of Denver, LLC | Delaware | Guarantor |
| American Telecasting of Fort Myers, LLC | Delaware | Guarantor |
| American Telecasting of Ft. Collins, LLC | Delaware | Guarantor |
| American Telecasting of Green Bay, LLC | Delaware | Guarantor |
| American Telecasting of Lansing, LLC | Delaware | Guarantor |
| American Telecasting of Lincoln, LLC | Delaware | Guarantor |
| American Telecasting of Little Rock, LLC | Delaware | Guarantor |
| American Telecasting of Louisville, LLC | Delaware | Guarantor |
| American Telecasting of Medford, LLC | Delaware | Guarantor |
| American Telecasting of Michiana, LLC | Delaware | Guarantor |
| American Telecasting of Monterey, LLC | Delaware | Guarantor |
| American Telecasting of Redding, LLC | Delaware | Guarantor |
| American Telecasting of Santa Barbara, LLC | Delaware | Guarantor |
| American Telecasting of Seattle, LLC | Delaware | Guarantor |
| American Telecasting of Sheridan, LLC | Delaware | Guarantor |
| American Telecasting of Yuba City, LLC | Delaware | Guarantor |
| APC Realty and Equipment Company, LLC | Delaware | Guarantor |
| Assurance Wireless of South Carolina, LLC | Delaware | Guarantor |
| Assurance Wireless USA, L.P. | Delaware | Guarantor |
| ATI Sub, LLC | Delaware | Guarantor |
| Broadcast Cable, LLC | Delaware | Guarantor |
| Clear Wireless LLC | Nevada | Guarantor |
| Clearwire Communications LLC | Delaware | Guarantor |
| Clearwire Hawaii Partners Spectrum, LLC | Nevada | Guarantor |
| Clearwire IP Holdings LLC | New York | Guarantor |
| Clearwire Legacy LLC | Delaware | Guarantor |
| Clearwire Spectrum Holdings II LLC | Nevada | Guarantor |
| Clearwire Spectrum Holdings III LLC | Nevada | Guarantor |
| Clearwire Spectrum Holdings LLC | Nevada | Guarantor |
| Clearwire XOHM LLC | Delaware | Guarantor |
| Fixed Wireless Holdings, LLC | Delaware | Guarantor |
| Fresno MMDS Associates, LLC | Delaware | Guarantor |
| IBSV LLC | Delaware | Guarantor |
| Kennewick Licensing, LLC | Delaware | Guarantor |
| Layer3 TV, LLC | Delaware | Guarantor |
| L3TV Chicagoland Cable System, LLC | Delaware | Guarantor |
| L3TV Colorado Cable System, LLC | Delaware | Guarantor |
| L3TV Dallas Cable System, LLC | Delaware | Guarantor |
| L3TV DC Cable System, LLC | Delaware | Guarantor |
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| L3TV Detroit Cable System, LLC | Delaware | Guarantor |
| L3TV Los Angeles Cable System, LLC | Delaware | Guarantor |
| L3TV Minneapolis Cable System, LLC | Delaware | Guarantor |
| L3TV New York Cable System, LLC | Delaware | Guarantor |
| L3TV Philadelphia Cable System, LLC | Delaware | Guarantor |
| L3TV San Francisco Cable System, LLC | Delaware | Guarantor |
| L3TV Seattle Cable System, LLC | Delaware | Guarantor |
| MetroPCS California, LLC | Delaware | Guarantor |
| MetroPCS Florida, LLC | Delaware | Guarantor |
| MetroPCS Georgia, LLC | Delaware | Guarantor |
| MetroPCS Massachusetts, LLC | Delaware | Guarantor |
| MetroPCS Michigan, LLC | Delaware | Guarantor |
| MetroPCS Networks California, LLC | Delaware | Guarantor |
| MetroPCS Networks Florida, LLC | Delaware | Guarantor |
| MetroPCS Nevada, LLC | Delaware | Guarantor |
| MetroPCS New York, LLC | Delaware | Guarantor |
| MetroPCS Pennsylvania, LLC | Delaware | Guarantor |
| MetroPCS Texas, LLC | Delaware | Guarantor |
| MinorCo, LLC | Delaware | Guarantor |
| Nextel Communications of the Mid-Atlantic, Inc. | Delaware | Guarantor |
| Nextel of New York, Inc. | Delaware | Guarantor |
| Nextel Retail Stores, LLC | Delaware | Guarantor |
| Nextel South Corp. | Georgia | Guarantor |
| Nextel Systems, LLC | Delaware | Guarantor |
| Nextel West Corp. | Delaware | Guarantor |
| NSAC, LLC | Delaware | Guarantor |
| PCTV Gold II, LLC | Delaware | Guarantor |
| PCTV Sub, LLC | Delaware | Guarantor |
| People’s Choice TV of Houston, LLC | Delaware | Guarantor |
| People’s Choice TV of St. Louis, LLC | Delaware | Guarantor |
| PRWireless PR, LLC | Delaware | Guarantor |
| PushSpring, Inc. | Delaware | Guarantor |
| SFE 1, LLC | Delaware | Guarantor |
| SIHI New Zealand Holdco, Inc. | Kansas | Guarantor |
| SpeedChoice of Detroit, LLC | Delaware | Guarantor |
| SpeedChoice of Phoenix, LLC | Delaware | Guarantor |
| Sprint (Bay Area), LLC | Delaware | Guarantor |
| Sprint Capital Corporation | Delaware | Guarantor* |
| Sprint Communications, Inc. | Kansas | Guarantor* |
| Sprint Communications Company L.P. | Delaware | Guarantor |
| Sprint Communications Company of New Hampshire, Inc. | New Hampshire | Guarantor |
| Sprint Communications Company of Virginia, Inc. | Virginia | Guarantor |
| Sprint Corporation | Delaware | Guarantor* |
| Sprint eBusiness, Inc. | Kansas | Guarantor |
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| Sprint Enterprise Network Services, Inc. | Kansas | Guarantor |
| Sprint eWireless, Inc. | Kansas | Guarantor |
| Sprint International Communications Corporation | Delaware | Guarantor |
| Sprint International Holding, Inc. | Kansas | Guarantor |
| Sprint International Incorporated | Delaware | Guarantor |
| Sprint International Network Company LLC | Delaware | Guarantor |
| Sprint PCS Assets, L.L.C. | Delaware | Guarantor |
| Sprint Solutions, Inc. | Delaware | Guarantor |
| Sprint Spectrum Holding Company, LLC | Delaware | Guarantor |
| Sprint Spectrum L.P. | Delaware | Guarantor |
| Sprint Spectrum Realty Company, LLC | Delaware | Guarantor |
| Sprint/United Management Company | Kansas | Guarantor |
| SprintCom, Inc. | Kansas | Guarantor |
| T-Mobile Central LLC | Delaware | Guarantor |
| T-Mobile Financial LLC | Delaware | Guarantor |
| T-Mobile Innovations LLC | Delaware | Guarantor |
| T-Mobile Leasing LLC | Delaware | Guarantor |
| T-Mobile License LLC | Delaware | Guarantor |
| T-Mobile Northeast LLC | Delaware | Guarantor |
| T-Mobile PCS Holdings LLC | Delaware | Guarantor |
| T-Mobile Puerto Rico Holdings LLC | Delaware | Guarantor |
| T-Mobile Puerto Rico LLC | Delaware | Guarantor |
| T-Mobile Resources LLC | Delaware | Guarantor |
| T-Mobile South LLC | Delaware | Guarantor |
| T-Mobile USA, Inc. | Delaware | Issuer |
| T-Mobile West LLC | Delaware | Guarantor |
| TDI Acquisition Sub, LLC | Delaware | Guarantor |
| Theory Mobile, Inc. | Delaware | Guarantor |
| TMUS International LLC | Delaware | Guarantor |
| Transworld Telecom II, LLC | Delaware | Guarantor |
| TVN Ventures LLC | Delaware | Guarantor |
| USST of Texas, Inc. | Texas | Guarantor |
| Utelcom LLC | Kansas | Guarantor |
| VMU GP, LLC | Delaware | Guarantor |
| WBS of America, LLC | Delaware | Guarantor |
| WBS of Sacramento, LLC | Delaware | Guarantor |
| WBSY Licensing, LLC | Delaware | Guarantor |
| WCOF, LLC | Delaware | Guarantor |
| Wireless Broadband Services of America, L.L.C. | Delaware | Guarantor |
| Wireline Leasing Co., Inc. | Delaware | Guarantor |
* These guarantors provide an unsecured guarantee of the outstanding debt securities issued under the Indenture, dated as of April 9, 2020, by and among T-Mobile USA, Inc., T-Mobile US, Inc. and Deutsche Bank Trust Company Americas, as trustee. Such guarantors may also provide an unsecured guarantee of any debt securities issued from time to time under such Indenture.
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Pledged Security Collateral
As of March 30, 2021, the obligations under the debt securities issued under the Indenture, dated as of April 9, 2020, by and among T-Mobile USA, Inc., T-Mobile US, Inc. and Deutsche Bank Trust Company Americas, as trustee, were secured by pledges of the capital stock of the following affiliates of the Company. Any debt securities issued from time to time under such Indenture may also be secured by pledges of the capital stock of such affiliates of the Company.
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| Name of Issuer | Issuer Jurisdiction of Organization | Number of Shares Owned | Percent of Interest Owned | Percent of Interest Pledged |
| Alda Wireless Holdings, LLC | Delaware | N/A | 100% | 100% |
| American Telecasting Development, LLC | Delaware | N/A | 100% | 100% |
| American Telecasting of Anchorage, LLC | Delaware | N/A | 100% | 100% |
| American Telecasting of Columbus, LLC | Delaware | N/A | 100% | 100% |
| American Telecasting of Denver, LLC | Delaware | N/A | 100% | 100% |
| American Telecasting of Fort Myers, LLC | Delaware | N/A | 100% | 100% |
| American Telecasting of Ft. Collins, LLC | Delaware | N/A | 100% | 100% |
| American Telecasting of Green Bay, LLC | Delaware | N/A | 100% | 100% |
| American Telecasting of Lansing, LLC | Delaware | N/A | 100% | 100% |
| American Telecasting of Lincoln, LLC | Delaware | N/A | 100% | 100% |
| American Telecasting of Little Rock, LLC | Delaware | N/A | 100% | 100% |
| American Telecasting of Louisville, LLC | Delaware | N/A | 100% | 100% |
| American Telecasting of Medford, LLC | Delaware | N/A | 100% | 100% |
| American Telecasting of Michiana, LLC | Delaware | N/A | 100% | 100% |
| American Telecasting of Monterey, LLC | Delaware | N/A | 100% | 100% |
| American Telecasting of Redding, LLC | Delaware | N/A | 100% | 100% |
| American Telecasting of Santa Barbara, LLC | Delaware | N/A | 100% | 100% |
| American Telecasting of Seattle, LLC | Delaware | N/A | 100% | 100% |
| American Telecasting of Sheridan, LLC | Delaware | N/A | 100% | 100% |
| American Telecasting of Yuba City, LLC | Delaware | N/A | 100% | 100% |
| APC Realty and Equipment Company, LLC | Delaware | N/A | 100% | 100% |
| Assurance Wireless of South Carolina, LLC | Delaware | N/A | 100% | 100% |
| Assurance Wireless USA, L.P. | Delaware | N/A | 100% | 100% |
| ATI Sub, LLC | Delaware | N/A | 100% | 100% |
| Broadcast Cable, LLC | Delaware | N/A | 100% | 100% |
| Clear Wireless LLC | Nevada | N/A | 100% | 100% |
| Clearwire Communications LLC | Delaware | 4,565,480,804 | 100% | 100% |
| Clearwire Hawaii Partners Spectrum, LLC | Nevada | 14,027,249 units | 100% | 100% |
| Clearwire IP Holdings LLC | New York | N/A | 100% | 100% |
| Clearwire Legacy LLC | Delaware | N/A | 100% | 100% |
| Clearwire Spectrum Holdings II LLC | Nevada | N/A | 100% | 100% |
| Clearwire Spectrum Holdings III LLC | Nevada | N/A | 100% | 100% |
| Clearwire Spectrum Holdings LLC | Nevada | N/A | 100% | 100% |
| Clearwire XOHM LLC | Delaware | N/A | 100% | 100% |
| Fixed Wireless Holdings, LLC | Delaware | N/A | 100% | 100% |
| Fresno MMDS Associates, LLC | Delaware | N/A | 100% | 100% |
| IBSV LLC | Delaware | N/A | 100% | 100% |
| Kennewick Licensing, LLC | Delaware | N/A | 100% | 100% |
| L3TV Chicagoland Cable System, LLC | Delaware | N/A | 100% | 100% |
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| L3TV Colorado Cable System, LLC | Delaware | N/A | 100% | 100% |
| L3TV Dallas Cable System, LLC | Delaware | N/A | 100% | 100% |
| L3TV DC Cable System, LLC | Delaware | N/A | 100% | 100% |
| L3TV Detroit Cable System, LLC | Delaware | N/A | 100% | 100% |
| L3TV Los Angles Cable System, LLC | Delaware | N/A | 100% | 100% |
| L3TV Minneapolis Cable System, LLC | Delaware | N/A | 100% | 100% |
| L3TV New York Cable System, LLC | Delaware | N/A | 100% | 100% |
| L3TV Philadelphia Cable System, LLC | Delaware | N/A | 100% | 100% |
| L3TV San Francisco Cable System, LLC | Delaware | N/A | 100% | 100% |
| L3TV Seattle Cable System, LLC | Delaware | N/A | 100% | 100% |
| Layer3 TV, LLC | Delaware | 1 | 100% | 100% |
| Metro PCS California, LLC | Delaware | N/A | 100% | 100% |
| MetroPCS Florida, LLC | Delaware | N/A | 100% | 100% |
| MetroPCS Georgia, LLC | Delaware | N/A | 100% | 100% |
| MetroPCS Massachusetts, LLC | Delaware | N/A | 100% | 100% |
| MetroPCS Michigan, LLC | Delaware | N/A | 100% | 100% |
| MetroPCS Networks California, LLC | Delaware | N/A | 100% | 100% |
| MetroPCS Networks Florida, LLC | Delaware | N/A | 100% | 100% |
| MetroPCS Nevada, LLC | Delaware | N/A | 100% | 100% |
| MetroPCS New York, LLC | Delaware | N/A | 100% | 100% |
| MetroPCS Pennsylvania, LLC | Delaware | N/A | 100% | 100% |
| MetroPCS Texas, LLC | Delaware | N/A | 100% | 100% |
| MinorCo, LLC | Delaware | N/A | 100% | 100% |
| Nextel Retail Stores, LLC | Delaware | N/A | 100% | 100% |
| Nextel Systems, LLC | Delaware | N/A | 100% | 100% |
| NSAC, LLC | Delaware | N/A | 100% | 100% |
| PCTV Gold II, LLC | Delaware | N/A | 100% | 100% |
| PCTV Sub, LLC | Delaware | N/A | 100% | 100% |
| People’s Choice TV of Houston, LLC | Delaware | N/A | 100% | 100% |
| People’s Choice TV of St. Louis, LLC | Delaware | N/A | 100% | 100% |
| PRWireless PR, LLC | Delaware | N/A | 100% | 100% |
| PushSpring, Inc. | Delaware | 100 | 100% | 100% |
| SFE 1, LLC | Delaware | N/A | 100% | 100% |
| SIHI Mexico S. de R.L. de C.V. | Mexico | N/A | 100% | 65% |
| SIHI New Zealand HoldCo, Inc. | Kansas | 100 | 100% | 100% |
| SIHI Scandinavia AB | Sweden | N/A | 100% | 65% |
| SpeedChoice of Detroit, LLC | Delaware | N/A | 100% | 100% |
| SpeedChoice of Phoenix, LLC | Delaware | N/A | 100% | 100% |
| Sprint (Bay Area), LLC | Delaware | N/A | 100% | 100% |
| Sprint (Thailand) Limited | Thailand | N/A | 100% | 65% |
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| Sprint Brasil Servicos de Telecomunicacoes Ltda. | Brazil | N/A | 100% | 65% |
| Sprint Communications Company L.P. | Delaware | N/A | 100% | 100% |
| Sprint Communications Company of New Hampshire, Inc. | New Hampshire | 1,000 | 100% | 100% |
| Sprint Communications Company of Virginia, Inc. | Virginia | 100,000 | 100% | 100% |
| Sprint Corporation | Delaware | 3,445,374,483 | 100% | 100% |
| Sprint Hong Kong Limited | Hong Kong | None | 100% | 65% |
| Sprint International Argentina SRL | Argentina | None | 100% | 65% |
| Sprint International Australia Pty. Limited | Australia | None | 100% | 65% |
| Sprint International Austria GmbH | Austria | None | 100% | 65% |
| Sprint International Caribe LLC | Puerto Rico | N/A | 100% | 65% |
| Sprint International Chile Limitada | Chile | N/A | 100% | 65% |
| Sprint International Colombia Ltda. | Colombia | N/A | 100% | 65% |
| Sprint International Communications Canada ULC | Canada | N/A | 100% | 65% |
| Sprint International Communications Corporation | Delaware | 268,641 | 100% | 100% |
| Sprint International Communications Singapore Pte. Ltd. | Singapore | N/A | 100% | 65% |
| Sprint International Czech Republic S.R.O. | Czech Republic | N/A | 100% | 65% |
| Sprint International do Brasil Ltda. | Brazil | N/A | 100% | 65% |
| Sprint International Hungary Korlátolt Felelősségű Társaság | Hungary | N/A | 100% | 65% |
| Sprint International Japan Corp. | Japan | N/A | 100% | 65% |
| Sprint International Korea | Korea | N/A | 100% | 65% |
| Sprint International Network Company LLC | Delaware | N/A | 100% | 100% |
| Sprint International New Zealand | New Zealand | N/A | 100% | 65% |
| Sprint International Norway AS | Norway | N/A | 100% | 65% |
| Sprint International Spain, S.L. | Spain | N/A | 100% | 65% |
| Sprint International Taiwan Limited | Taiwan | N/A | 100% | 65% |
| Sprint PCS Assets, L.L.C. | Delaware | N/A | 100% | 100% |
| Sprint RUS LLC | Russia | N/A | 100% | 65% |
| Sprint Spectrum Depositor II LLC | Delaware | N/A | 100% | 100% |
| Sprint Spectrum Depositor III LLC | Delaware | N/A | 100% | 100% |
| Sprint Spectrum Depositor LLC | Delaware | N/A | 100% | 100% |
| Sprint Spectrum Holding Company, LLC | Delaware | N/A | 100% | 100% |
| Sprint Spectrum L.P. | Delaware | N/A | 100% | 100% |
| Sprint Spectrum Realty Company, LLC | Delaware | N/A | 100% | 100% |
| Sprint Telecom India Private Limited | India | N/A | 100% | 65% |
| SprintLink Belgium BV | Belgium | N/A | 100% | 65% |
| SprintLink Denmark ApS | Denmark | N/A | 100% | 65% |
| SprintLink France SAS | France | N/A | 100% | 65% |
| SprintLink Germany GmbH | Germany | N/A | 100% | 65% |
| Sprintlink India Private Limited | India | N/A | 100% | 65% |
| SprintLink International (Switzerland) GmbH | Switzerland | N/A | 100% | 65% |
| Sprintlink International Malaysia SDN. BHD. | Malaysia | N/A | 100% | 65% |
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| SprintLink International Philippines, Inc. | Philippines | N/A | 100% | 65% |
| SprintLink Ireland Limited | Ireland | N/A | 100% | 65% |
| SprintLink Italy S.r.l. | Italy | N/A | 100% | 65% |
| SprintLink Netherlands B.V. | Netherlands | N/A | 100% | 65% |
| Sprintlink Poland sp.z o.o | Poland | N/A | 100% | 65% |
| SprintLink UK Limited | United Kingdom | N/A | 100% | 65% |
| T-Mobile Central LLC | Delaware | N/A | 100% | 100% |
| T-Mobile Financial LLC | Delaware | N/A | 100% | 100% |
| T-Mobile Leasing LLC | Delaware | N/A | 100% | 100% |
| T-Mobile License LLC | Delaware | N/A | 100% | 100% |
| T-Mobile Northeast LLC | Delaware | N/A | 100% | 100% |
| T-Mobile PCS Holdings LLC | Delaware | N/A | 100% | 100% |
| T-Mobile Puerto Rico Holdings LLC | Delaware | N/A | 100% | 100% |
| T-Mobile Puerto Rico LLC | Delaware | N/A | 100% | 100% |
| T-Mobile Resources LLC | Delaware | 1,000 | 100% | 100% |
| T-Mobile South LLC | Delaware | N/A | 100% | 100% |
| T-Mobile USA, Inc. | Delaware | 292,669,972 | 100% | 100% |
| T-Mobile West LLC | Delaware | N/A | 100% | 100% |
| TDI Acquisition Sub, LLC | Delaware | N/A | 100% | 100% |
| Theory Mobile, Inc. | Delaware | 1,000 | 100% | 100% |
| TMUS International LLC | Delaware | N/A | 100% | 100% |
| Transworld Telecom II, LLC | Delaware | N/A | 100% | 100% |
| TVN Ventures LLC | Delaware | N/A | 100% | 100% |
| USST of Texas, Inc. | Texas | 1,000 | 100% | 100% |
| Utelcom LLC | Kansas | N/A | 100% | 100% |
| VMU GP, LLC | Delaware | N/A | 100% | 100% |
| WBS of America, LLC | Delaware | N/A | 100% | 100% |
| WBS of Sacramento, LLC | Delaware | N/A | 100% | 100% |
| WBSY Licensing, LLC | Delaware | N/A | 100% | 100% |
| WCOF, LLC | Delaware | N/A | 100% | 100% |
| Wireless Broadband Services of America, L.L.C. | Delaware | N/A | 100% | 100% |
| Wireline Leasing Co., Inc. | Delaware | N/A | 100% | 100% |