| Code | Name | Region |
|---|---|---|
| PGSBE | Suabi | |
| PGPUI | Pureni | |
| PGRBP | Rabaraba | |
| PGRAB | Rabaul | |
| PGRAA | Rakanda | |
| PGRAM | Rambutyo Island | |
| PGRNR | Robinson River | |
| PGRMN | Rumginae | |
| PGRVI | Russel Island | |
| PGRUU | Ruti | |
| PGSBV | Sabah | |
| PGSFU | Safia | |
| PGSGJ | Sagarai | |
| PGSAI | Saibai | WPD |
| PGSDI | Saidor | |
| PGSMU | Salamaua | |
| PGSAM | Salamo | |
| PGSQT | Samarai | |
| PGSGK | Sangapi | |
| PGSMH | Sapmanga | |
| PGSWG | Satwag | |
| PGOSE | Omora | |
| PGONB | Ononge | |
| PGOPB | Open Bay | |
| PGRAX | Oram | |
| PGOTY | Oria | |
| PGROR | Orobay | |
| PGOSG | Ossima | |
| PGPLE | Paiela | |
| PGPAW | Pambwa | |
| PGPGN | Pangia | |
| PGPGB | Pangoa | |
| PGPPX | Param | |
| PGPMP | Pimaga | |
| PGPDI | Pindiu | |
| PGPDO | Pondo Harbour | EBR |
| PGPNP | Popondetta | |
| PGRGE | Porgera | |
| PGPOM | Port Moresby | |
| PGPUA | Puas | |
| PGPMN | Pumani | |
| PGNDI | Namudi | |
| PGNKN | Nankina | |
| PGNOO | Naoro | |
| PGNAP | Napa Napa | NCD |
| PGGBF | Negarbo | |
| PGNGR | Ningerum | |
| PGNPG | Nipa | |
| PGIIS | Nissan Island | |
| PGNOM | Nomad River |