https://www.reuters.com/technology/cybersecurity/t-mobile-hacked-massive-chinese-breach-telecom-networks-wsj-reports-2024-11-16/
oldish news but just saw (below) that t-mobile is the only US telco participating in starlink's new cell service.
GLOBAL PARTNERS
Cellular providers using Direct to Cell have access to reciprocal global access in all partner nations.
T-MOBILE (USA) >
OPTUS (AUSTRALIA) >
ROGERS (CANADA) >
ONE NZ (NEW ZEALAND) >
KDDI (JAPAN) >
SALT (SWITZERLAND) >
ENTEL (CHILE) >
ENTEL (PERU) >
starlink,com/business/direct-to-cell