International Telephone Codes
| Telephone code | Internet IP | Country |
|---|---|---|
| 690 | .tk | Tokelau |
| 676 | .to | Tonga |
| 1868 | .tt | Trinidad And Tobago |
| 216 | .tn | Tunisia |
| 90 | .tr | Turkey |
| 7370 | .tm | Turkmenistan |
| 1649 | .tc | Turks And Caicos Islands |
| 688 | .tv | Tuvalu |
| 256 | .ug | Uganda |
| 380 | .ua | Ukraine |
| 971 | .ae | United Arab Emirates |
| 44 | .gb | United Kingdom |
| 1 | .um | United States Minor Outlying Islands |
| 1 | .us | United States of America |
| 598 | .uy | Uruguay |
| 998 | .uz | Uzbekistan |
| 678 | .vu | Vanuatu |
| 39 | .va | Vatican City State (Holy See) |
| 58 | .ve | Venezuela |
| 84 | .vn | Vietnam |