Postal codes in Indonesia
Postal codes in Indonesia, known in Indonesian as kodeposconsist of 5 digits.
- The first digit indicates the region in which a given post office falls in,
- The second and third digits indicate the regency or city,
- The fourth digit indicates the district or kecamatan within the kabupaten or kota,
- The fifth digit indicates the commune or village or kelurahan/desa.
- The third digit indicates the district
- The fourth digit indicates the subdistrict
- The fifth digit is a "0".
| First digit | Postal zone |
| 1 | Jakarta, and neighbouring parts of Banten and West Java |
| 2 | Northern half of Sumatra, comprising Aceh, North Sumatra, West Sumatra, Riau and Riau Islands |
| 3 | Southern half of Sumatra, comprising Bengkulu, Jambi, Bangka Belitung, South Sumatra and Lampung |
| 4 | Rest of Banten and West Java |
| 5 | Central Java, Yogyakarta |
| 6 | East Java |
| 7 | Kalimantan |
| 8 | Bali, Nusa Tenggara |
| 9 | Sulawesi, Maluku, Papua |