These are area codes for the provinces of Jakarta,Banten, West Java, Yogyakarta, and Central Java.
Jakarta
Web Site
Jakarta - Phones - Indonesia Phones
Jakarta - Phones - Indonesia Phones
Jakarta Indonesia
Jakarta 2024 China foreign minister says Beijing and Jakarta want regional peace and stability Yahoo! Voices
China foreign minister says Beijing and Jakarta want regional peace and stability Reuters
China’s top diplomat curries favor with Indonesia - Asia & Pacific The Jakarta Post
Wang Yi meets with Indonesian FM in Jakarta CGTN