| Code | Name | Region |
|---|---|---|
| PGNMN | Nomane | |
| PGNWT | Nowata | |
| PGNUG | Nuguria | |
| PGUKU | Nuku | |
| PGNUT | Nutuve | |
| PGOBX | Obo | |
| PGOGE | Ogeranang | |
| PGOKV | Okao | |
| PGOKP | Oksapmin | |
| PGOLQ | Olsobip | |
| PGOML | Omkalai | |
| PGMFZ | Mesalia | |
| PGMIE | Mielelek | |
| PGMXK | Mindik | |
| PGMZN | Minj | |
| PGMIS | Misima Island | |
| PGMPX | Miyanmin | |
| PGMJJ | Moki | |
| PGMHY | Morehead | |
| PGMXH | Moro | |
| PGOBM | Morobe | |
| PGMTK | Motukea Island | NCD |
| PGGUV | Mougulu | |
| PGUAE | Mount Aue | |
| PGHGU | Mount Hagen | |
| PGLNF | Munbil | |
| PGMDM | Munduku | |
| PGMWU | Mussau | |
| PGNDN | Nadunumu | |
| PGATN | Namatanai | |
| PGNBA | Nambaiyufa | |
| PGMKN | Malekolon | |
| PGMAP | Mamai | |
| PGMAM | Manam Island | |
| PGMRM | Manare | |
| PGMAN | Manda | |
| PGMVI | Manetai | |
| PGMGP | Manga | |
| PGMFO | Manguna | |
| PGUUU | Manumu | |
| PGMAS | Manus Island | |
| PGMPF | Mapoda | |
| PGMPU | Mapua | |
| PGMWI | Maramuni | |
| PGMWG | Marawaka | |
| PGMGG | Margarima | |
| PGMNP | Maron | |
| PGMBV | Masa | |
| PGMRH | May River | |
| PGMDU | Mendi |