Postal codes in Indonesia, known inIndonesian askode pos, consist of 5 digits.
There is an exception forJakarta postal codes:[1]
There are postal code zones covering the Indonesian provinces or islands as follows:[1]
| First digit | Postal zone |
|---|---|
| 1 | Jakarta metropolitan area[2] |
| 2 | Northern half of Sumatra, comprising the provinces ofAceh,North Sumatra,West Sumatra,Riau andRiau Islands. |
| 3 | Southern half of Sumatra, comprising the provinces ofBengkulu,Jambi,Bangka Belitung,South Sumatra andLampung. |
| 4 | The provinces ofBanten andWest Java (except those parts within the Jakarta metropolitan area[3]). |
| 5 | The province ofCentral Java and theYogyakarta Special Region. |
| 6 | The province ofEast Java. |
| 7 | Kalimantan (the Indonesian part ofBorneo island). |
| 8 | The provinces ofBali,West Nusa Tenggara andEast Nusa Tenggara (theLesser Sunda Islands). |
| 9 | Sulawesi (Celebes),Maluku (Moluccas), andPapua (Western New Guinea). |
