| Code | Name | Region |
|---|---|---|
| NZORI | Orini | WKO |
| NZORR | Otago Harbour | OTA |
| NZOHU | Otahuhu | AUK |
| NZOTA | Otaki | MWT |
| NZOTT | Otematata | CAN |
| NZORH | Otorohanga | WKO |
| NZPKI | Paekakariki | WGN |
| NZPAE | Paeroa | WKO |
| NZPAI | Paihia | NTL |
| NZPKL | Pakatoa Island | AUK |
| NZPKG | Pakuranga | AUK |
| NZMZP | Motueka | TAS |
| NZMON | Mount Cook | CAN |
| NZMMU | Mount Maunganui | BOP |
| NZMWL | Mount Wellington | AUK |
| NZMUT | Muritai | WGN |
| NZNPE | Napier | HKB |
| NZNSN | Nelson | NSN |
| NZNBN | New Brighton | CAN |
| NZNLN | New Lyn | AUK |
| NZNPL | New Plymouth | TKI |
| NZNWT | Newton | AUK |
| NZNGA | Ngaio | WGN |
| NZNGG | Ngauranga | WGN |
| NZNSC | North Shore City | AUK |
| NZNTC | Northcote | AUK |
| NZOAM | Oamaru | OTA |
| NZOTU | Offshore Tui | |
| NZOHA | Ohakea | MWT |
| NZOHK | Ohakune | MWT |
| NZOHR | Ohariu | WGN |
| NZMHL | Marshland | CAN |
| NZMRB | Martinborough | WGN |
| NZMRT | Marton | MWT |
| NZMRO | Masterton | |
| NZMKN | Matakana | AUK |
| NZMTA | Matamata | WKO |
| NZMTG | Matangi | WKO |
| NZMTR | Mataura | STL |
| NZMAB | Matiatia Bay | AUK |
| NZMAU | Maungaturoto | NTL |
| NZMKL | Metroport/auckland | AUK |
| NZMNR | Middleton/christchurch | CAN |
| NZMFN | Milford Sound | STL |
| NZMSN | Milson | MWT |
| NZMTN | Milton | OTA |
| NZMRM | Miramar | WGN |
| NZMOE | Moerewa | AUK |
| NZMOR | Morrinsville | WKO |
| NZMGL | Mosgiel | OTA |