Calling Indonesia from the United States explained:

• 011 - US exit code; dial first for international calls made from the USA or Canada
• 62 - Country Code for Indonesia
• Phone Number (may not begin with 0):
  • fixed - 7 to 11 digits, including area code
  • cell phones - 9 to 11 digits, first digit is 8
• sample call from US to a landline in Jakarta: 011 62 21 ??? ????

How to dial to Indonesia cellular:

• dialing format for calls to a cell phone: 011 62 8? ??? ????(??)

Area Codes:

Phone Books:

• Yellow Pages