| Rank | Country | Telephones - main lines in use density |
194 | Togo |  15 Telephones - main lines in use per 1000 people |
102 | Tokelau |  210 Telephones - main lines in use per 1000 people |
135 | Tonga |  116 Telephones - main lines in use per 1000 people |
70 | Trinidad and Tobago |  311 Telephones - main lines in use per 1000 people |
| Tromelin Island | void |
131 | Tunisia |  123 Telephones - main lines in use per 1000 people |
87 | Turkey |  264 Telephones - main lines in use per 1000 people |
144 | Turkmenistan |  96 Telephones - main lines in use per 1000 people |
89 | Turks and Caicos Islands |  256 Telephones - main lines in use per 1000 people |
156 | Tuvalu |  74 Telephones - main lines in use per 1000 people |
222 | Uganda |  4 Telephones - main lines in use per 1000 people |
85 | Ukraine |  269 Telephones - main lines in use per 1000 people |
78 | United Arab Emirates |  284 Telephones - main lines in use per 1000 people |
28 | United Kingdom |  552 Telephones - main lines in use per 1000 people |
25 | United States |  567 Telephones - main lines in use per 1000 people |
| United States Pacific Island Wildlife Refuges |  void |
79 | Uruguay |  284 Telephones - main lines in use per 1000 people |
160 | Uzbekistan |  64 Telephones - main lines in use per 1000 people |
178 | Vanuatu |  33 Telephones - main lines in use per 1000 people |
120 | Venezuela |  160 Telephones - main lines in use per 1000 people |
130 | Vietnam |  126 Telephones - main lines in use per 1000 people |
16 | Virgin Islands |  663 Telephones - main lines in use per 1000 people |
| Wake Island |  void |
136 | Wallis and Futuna |  116 Telephones - main lines in use per 1000 people |
125 | West Bank |  134 Telephones - main lines in use per 1000 people |
216 | Western Sahara |  6 Telephones - main lines in use per 1000 people |
| World |  void |
170 | Yemen |  43 Telephones - main lines in use per 1000 people |
| Yugoslavia | void |
205 | Zambia |  9 Telephones - main lines in use per 1000 people |
181 | Zimbabwe |  27 Telephones - main lines in use per 1000 people |