EXHIBIT 22.1
Subsidiary Guarantors and Issuers of Guaranteed Securities
Guaranteed Securities

The following securities (collectively, the “T-Mobile USA Senior Notes”) issued by T-Mobile USA, Inc., a Delaware corporation and wholly-owned subsidiary of T-Mobile US, Inc. (the “Company”), were outstanding as of December 31, 2025, including those that may no longer be subject to reporting as provided by Regulation S-X Rule 13-01:

Description of Notes
1.500% senior notes due 2026
2.250% senior notes due 2026
2.625% senior notes due 2026
3.750% senior notes due 2027
4.750% senior notes due 2028
4.750% senior notes due 2028-1 held by affiliate
2.050% senior notes due 2028
4.950% senior notes due 2028
4.800% senior notes due 2028
4.850% senior notes due 2029
2.625% senior notes due 2029
2.400% senior notes due 2029
3.375% senior notes due 2029
3.550% senior notes due 2029
4.200% senior notes due 2029
3.875% senior notes due 2030
2.550% senior notes due 2031
2.875% senior notes due 2031
3.500% senior notes due 2031
2.250% senior notes due 2031
3.150% senior notes due 2032
2.700% senior notes due 2032
3.700% senior notes due 2032
5.125% senior notes due 2032
4.625% senior notes due 2033
5.200% senior notes due 2033
5.050% senior notes due 2033
6.700% senior notes due 2033
5.750% senior notes due 2034
5.150% senior notes due 2034
4.700% senior notes due 2035
5.300% senior notes due 2035
4.950% senior notes due 2035
3.850% senior notes due 2036



3.500% senior notes due 2037
4.375% senior notes due 2040
3.000% senior notes due 2041
3.800% senior notes due 2045
4.500% senior notes due 2050
3.300% senior notes due 2051
3.400% senior notes due 2052
5.650% senior notes due 2053
5.750% senior notes due 2054
6.000% senior notes due 2054
5.500% senior notes due 2055
5.250% senior notes due 2055
5.875% senior notes due 2055
5.700% senior notes due 2056
3.600% senior notes due 2060
5.800% senior notes due 2062
6.250% senior notes due 2069
5.500% senior notes due March 2070
5.500% senior notes due June 2070


The following securities (collectively, the “Sprint Capital Corporation Senior Notes”) issued by Sprint Capital Corporation, a Delaware corporation and wholly-owned subsidiary of the Company, were outstanding as of December 31, 2025, including those that may no longer be subject to reporting as provided by Regulation S-X Rule 13-01:

Description of Notes
6.875% senior notes due 2028
8.750% senior notes due 2032





Obligors

As of December 31, 2025, the obligors under the T-Mobile USA Senior Notes consisted of the Company, as a guarantor, and its subsidiaries listed in the following table.

Name of SubsidiaryJurisdiction of OrganizationObligor Type
APC Realty and Equipment Company, LLCDelawareGuarantor
Assurance Wireless USA, L.P.DelawareGuarantor
ATI Sub, LLCDelawareGuarantor
Blis USA, Inc.DelawareGuarantor
Breeze Acquisition Sub LLCDelawareGuarantor
Clearwire Communications LLCDelawareGuarantor
Clearwire Legacy LLCDelawareGuarantor
Clearwire Spectrum Holdings II LLCNevadaGuarantor
Clearwire Spectrum Holdings III LLCNevadaGuarantor
Clearwire Spectrum Holdings LLCNevadaGuarantor
Fixed Wireless Holdings, LLCDelawareGuarantor
Lab465, LLCDelawareGuarantor
MetroPCS California, LLCDelawareGuarantor
MetroPCS Florida, LLCDelawareGuarantor
MetroPCS Georgia, LLCDelawareGuarantor
MetroPCS Massachusetts, LLCDelawareGuarantor
MetroPCS Michigan, LLCDelawareGuarantor
MetroPCS Nevada, LLCDelawareGuarantor
MetroPCS New York, LLCDelawareGuarantor
MetroPCS Pennsylvania, LLCDelawareGuarantor
MetroPCS Texas, LLCDelawareGuarantor
Mint Mobile, LLCDelawareGuarantor
Nextel Systems, LLCDelawareGuarantor
Nextel West Corp.DelawareGuarantor
NSAC, LLCDelawareGuarantor
Play Octopus LLCDelawareGuarantor
PushSpring, LLCDelawareGuarantor
Sprint Capital CorporationDelawareGuarantor
Sprint Communications LLCDelawareGuarantor
Sprint LLCDelawareGuarantor
Sprint Solutions LLCDelawareGuarantor
Sprint Spectrum LLCDelawareGuarantor
Sprint Spectrum Realty Company, LLCDelawareGuarantor
SprintCom LLCKansasGuarantor
T-Mobile Central LLCDelawareGuarantor
T-Mobile Financial LLCDelawareGuarantor
T-Mobile Innovations LLCDelawareGuarantor



T-Mobile Leasing LLCDelawareGuarantor
T-Mobile License LLCDelawareGuarantor
T-Mobile MW LLCDelawareGuarantor
T-Mobile Northeast LLCDelawareGuarantor
T-Mobile Puerto Rico Holdings LLCDelawareGuarantor
T-Mobile Puerto Rico LLCDelawareGuarantor
T-Mobile Resources LLCDelawareGuarantor
T-Mobile South LLCDelawareGuarantor
T-Mobile USA, Inc.DelawareIssuer
T-Mobile West LLCDelawareGuarantor
TDI Acquisition Sub, LLCDelawareGuarantor
TMPR License LLCDelawareGuarantor
TMUS International Corp.DelawareGuarantor
USCC Services, LLCDelawareGuarantor
UVNV, LLCDelawareGuarantor
Vistar Media Global Partners, LLCNew YorkGuarantor
Vistar Media, Inc.DelawareGuarantor
VMU GP, LLCDelawareGuarantor
WBSY Licensing, LLCDelawareGuarantor


As of December 31, 2025, the obligors under the Sprint Capital Corporation Senior Notes consisted of the Company, as a guarantor; Sprint Capital Corporation (a Delaware corporation), as issuer and T-Mobile USA, Inc. (a Delaware corporation), Sprint LLC (a Delaware limited liability company) and Sprint Communications LLC (a Delaware limited liability company) as guarantors.