| Code | Name | Region |
|---|---|---|
| IDKMJ | Kramatjati | JK |
| IDKPK | Krapyak | YO |
| IDKGH | Krueng Geukueh | AC |
| IDKLP | Kelapa | JB |
| IDKLD | Kelapagading | JK |
| IDLLN | Kelila | |
| IDKLQ | Keluang | |
| IDKYR | Kemayoran | JK |
| IDKEB | Kembangan | JB |
| IDKEM | Kempo, Sb | |
| IDKDL | Kendal | JT |
| IDKDI | Kendari, Sulawesi | |
| IDKDW | Kendawangan | KB |
| IDKEN | Kenjeran | JI |
| IDKEI | Kepi | |
| IDJBB | Keragilan | JB |
| IDBTT | Kerawang | JB |
| IDKRC | Kerinci | |
| IDKBK | Kerobokan | ST |
| IDKER | Kertapati | SS |
| IDKTG | Ketapang, Kl | |
| IDKID | Kidjang, Bintan | |
| IDKIJ | Kijang | |
| IDKPS | Kapas | JI |
| IDKAP | Kapuk | JK |
| IDKGY | Karanganyar | |
| IDKGT | Karangjati (kodya Salatiga) | JT |
| IDKWC | Karawaci | JB |
| IDKWA | Karawang | JB |
| IDKRT | Karet | JK |
| IDKRG | Kariangau | |
| IDOKA | Karimun Besar Offshore | |
| IDKAR | Karosa, Sulawesi | |
| IDKBF | Karubaga | |
| IDKAS | Kasim, Ij | |
| IDKSE | Kassue | PA |
| IDKAU | Kau | MU |
| IDKEQ | Kebar | |
| IDKEU | Kebumen | JT |
| IDKDR | Kediri | JI |
| IDKDY | Kedoya | JB |
| IDKDH | Kedunghalang | JB |
| IDKEA | Keisah | |
| IDJZM | Jembrana | BA |
| IDJEP | Jepara | JT |
| IDJIP | Jogja Inland Port | YO |
| IDJMB | Jombang | JI |
| IDJGL | Jonggol | JB |
| IDJOR | Jorong Anchorage | |
| IDJUA | Juanda | JI |