Please note that all existing Timor Telecom mobile phone numbers will begin with an extra 7 from 00:00 on July 31, 2012. Timor Telecom mobile phone numbers will have eight digits and will begin with either 77 or 78.

For more information

http://www.timortelecom.tl/index.php?option=com_content&view=article&id=176&Itemid=&lang=en