| Uganda |
0.146 |
172 |
| Uganda Mobile |
0.151 |
165 |
| Ukraine |
0.193 |
129 |
| Ukraine - Kiev |
0.129 |
193 |
| Ukraine - Odessa |
0.193 |
129 |
| Ukraine M Kyivstar |
0.209 |
120 |
| Ukraine M UMC |
0.209 |
120 |
| Ukraine Mobile |
0.209 |
120 |
| United Arab Emirates |
0.281 |
89 |
| United Arab Emirates Mobile |
0.295 |
85 |
| United Kingdom |
0.029 |
856 |
| United Kingdom M Hutchison |
0.397 |
63 |
| United Kingdom M O2 |
0.397 |
63 |
| United Kingdom M Orange |
0.397 |
63 |
| United Kingdom M T-Mobile |
0.397 |
63 |
| United Kingdom M Vodafone |
0.397 |
63 |
| United Kingdom Mobile |
0.397 |
63 |
| United Kingdom NTS |
0.397 |
63 |
| United Kingdom Personal Numbers |
0.793 |
32 |
| United Kingdom Special Services |
0.561 |
45 |
| United States of America |
0.024 |
1029 |
| United States of America - Alaska |
0.036 |
696 |
| United States of America - Hawaii |
0.026 |
951 |
| United States of America Freephone |
0.024 |
1029 |
| Uruguay |
0.094 |
266 |
| Uruguay Mobile |
0.271 |
92 |
| Uzbekistan |
0.106 |
237 |
| Uzbekistan Mobile |
0.106 |
237 |