| Country | Code | Rate c/per min |
| Taiwan | 886 | 0.08 |
| Taiwan Cell | 8869 | 0.12 |
| Taiwan Tainan | 8866 | 0.04 |
| Taiwan Taipei | 8862 | 0.03 |
| Tajikistan | 992 | 0.25 |
| Tajikistan Cell | 73779 | 0.33 |
| Tanzania | 255 | 0.46 |
| Thailand | 66 | 0.13 |
| Thailand Bangkok | 662 | 0.13 |
| Thailand Cell | 661 | 0.14 |
| Thuraya Satellite | 88216 | 1.58 |
| Togo | 228 | 0.40 |
| Tokelau | 690 | 0.99 |
| Tonga Island | 676 | 0.89 |
| Trinidad & Tobago | 1868 | 0.30 |
| Trinidad & Tobago Cell | 186868 | 0.32 |
| Tunisia | 216 | 0.36 |
| Turk & Caicos Islands | 1649 | 0.23 |
| Turkey | 90 | 0.20 |
| Turkey Cellular | 905 | 0.24 |
| Turkey Istanbul | 9021 | 0.12 |
| Turkmenistan | 993 | 0.22 |
| Tuvalu | 688 | 0.70 |