| Code | Name | Region |
|---|---|---|
| IDNGW | Ngawi | JI |
| IDNIP | Nipah | RI |
| IDNPL | North Pulau Laut | |
| IDFOO | Numfoor | |
| IDNNX | Nunukan | |
| IDNYA | Nyamplungan | YO |
| IDOBD | Obano | |
| IDOBI | Obi Island | |
| IDOKQ | Okaba, Irian Jaya | |
| IDOKL | Oksibil | |
| IDOJA | Olah Jasa Andal/jakarta | JK |
| IDOLO | Olee Lheue | |
| IDORA | Oransbari | PB |
| IDMBK | Muara Bangkong | RI |
| IDMUB | Muara Berau | |
| IDMUD | Muara Djawa | |
| IDMPN | Muara Pantai | |
| IDMUP | Muara Pegah | |
| IDMSK | Muara Sabak | RI |
| IDMSB | Muara Siberut | SB |
| IDMUW | Muara Teweh | KT |
| IDMU9 | Muarabungo | JA |
| IDMPC | Muko-muko | |
| IDLII | Mulia | |
| IDMUO | Muntok, Banka | |
| IDMRI | Musi River, Sumatra | |
| IDMUF | Muting | |
| IDMTU | Muturi | |
| IDNBX | Nabire | |
| IDNGK | Nagrak | JB |
| IDNAH | Naha | |
| IDNAM | Namlea | MA |
| IDNRE | Namrole | |
| IDMWK | Matak | |
| IDAMI | Mataram | |
| IDMAU | Mauk | JB |
| IDMOF | Maumere, Flores | |
| IDMES | Medan, Sumatra | |
| IDMNA | Melonguanne | |
| IDMTG | Menteng | JK |
| IDMRK | Merak, Java | |
| IDMRB | Merantibunting, Sumatra | |
| IDMKQ | Merauke, Irian Jaya | |
| IDRDE | Merdey | |
| IDMEQ | Meulaboh, Sumatra | |
| IDMDP | Mindiptana | |
| IDMIT | Misool Terminal | PA |
| IDONI | Moanamani | |
| IDMJT | Mojokerto | JI |
| IDMJI | Mojosari | JI |