Until October 1999, East Timor was included in the Indonesia Telephone Code Plan, using the area codes 0390 (for Dili) and 0399 for (Baucau).To make a phone call to Indonesia from abroad, the following format is used: <IDD access number> 62 <area code> <phone number> For calls to mobile wireless phone (GSM) from abroad: <IDD access number> 62 <prefix> <phone number>