| Telephones - main lines in use (2009) | 31,000 |
| Telephones - mobile cellular (2009) | 53,000 |
| Mobile cellular subscriptions per 100 inhabitants (2009) | 50.98 |
| Broadband Internet subscribers per 100 inhabitants (2009) |
Fixed 0.96 Mobile 0 |
| Telephone system(2009) |
general assessment: competition between Tonga Telecommunications Corporation (TCC) and Shoreline Communications Tonga (SCT) is accelerating expansion of telecommunications SCT granted approval to introduce high-speed digital service for telephone, Internet, and television while TCC has exclusive rights to operate the mobile-phone network international telecom services are provided by government-owned Tonga Telecommunications International (TTI) |
| International dialling code | 676 |
| Internet domain | .to |
| Internet hosts (2010) | 20,847 |
| Internet users (2009) | 8,400 |
| Internet users per 100 inhabitants (2007) | 84/1000 |
| Computers per 100 inhabitants (2007) | 50 PCs/1000 |
| TV sets per 100 people (2007) | 70/1000 |