| Rank | Answer | Country | % Correct |
|---|---|---|---|
| 1 | AT&T | United States | 100%
|
| 2 | Verizon Communications | United States | 81%
|
| 10 | Vodafone | United Kingdom | 63%
|
| 7 | Téléfonica | Spain | 44%
|
| 6 | Deutsche Telekom | Germany | 38%
|
| 3 | Nippon Telegraph and Telephone | Japan | 38%
|
| 9 | América Móvil | Mexico | 25%
|
| 8 | China Telecom | China | 22%
|
| 4 | Comcast | United States | 19%
|
| 5 | Softbank | Japan | 19%
|