| Destination | Zone | Opérateur |
|---|---|---|
| Tanzanie | Travel |
Airtel Tanzania
VODACOM TANZANIA LTD. Zanzibar Telecom Ltd (Zantel) |
| Tchad | Travel |
AIRTEL Tchad
Millicom Tchad (Tigo) |
| Thaïlande | Travel |
AIS
dtac TriNet True Move H Universal Communication |
| Togo | Travel |
TELECEL Moov Togo
TOGO CELLULAIRE |
| Tonga | Reste du monde | DIGICEL (West Indies) Ltd |
| Trinité-et-Tobago | Reste du monde | DIGICEL (West Indies) Ltd |
| Tunisie | Business |
OOREDOO Tunisia
Orange Tunisie DIVONA Telecom TUNISIE TELECOM (TUNTEL) |
| Turquie | Business |
TURKCELL
Türk Telekom VODAFONE TELEKOMUNIKASYON A.S |
| Ukraine | Europe |
Lifecell LLC (ex-ASTELIT LLC)
TriMob LLC |