| Code | Name | Region |
|---|---|---|
| NZMOS | Mossburn | STL |
| NZLEV | Levin | MWT |
| NZLIN | Lincoln | CAN |
| NZLGB | Longburn | MWT |
| NZLRV | Lorneville | STL |
| NZLYJ | Lower Hutt | WGN |
| NZLLB | Lyall Bay | WGN |
| NZLYT | Lyttelton | CAN |
| NZMAR | Maari Terminal Fpso | TKI |
| NZMFL | Macraes Flat | OTA |
| NZMAH | Mahia | HKB |
| NZMGB | Mairangi Bay | AUK |
| NZMKW | Makarewa | STL |
| NZMNK | Manakau | TAS |
| NZMNP | Manapouri | STL |
| NZMGA | Mangakino | |
| NZMGW | Mangawhai | NTL |
| NZMAE | Mangere | AUK |
| NZKWU | Mansion House | |
| NZMCY | Manukau City | AUK |
| NZMAP | Marsden Point | NTL |
| NZKTG | Kaitangata | OTA |
| NZKWK | Kaiwaka | NTL |
| NZKWW | Kaiwharawhara | WGN |
| NZKAK | Kakariki | MWT |
| NZKR2 | Karori | WGN |
| NZKTK | Katikati | BOP |
| NZKAU | Kauri Point | AUK |
| NZKUI | Kawau Island | AUK |
| NZKAW | Kawerau | BOP |
| NZKB3 | Kelburn | WGN |
| NZKKE | Kerikeri | AUK |
| NZKDL | Khandallah | WGN |
| NZKBN | Kilbirnie | WGN |
| NZKT3 | Kingston | WGN |
| NZKIN | Kinleith | WKO |
| NZKOK | Kokiri | WTC |
| NZKOP | Kopu | AUK |
| NZKUE | Kumeu | AUK |
| NZLAT | Lake Tekapo | CAN |
| NZLEO | Leeston | CAN |
| NZHWD | Hawarden | CAN |
| NZHAW | Hawera | MWT |
| NZHYW | Haywards | WGN |
| NZHCV | Heathcote Valley | CAN |
| NZHDS | Henderson | AUK |
| NZHB3 | Herne Bay | AUK |
| NZHIL | Hillsborough | CAN |
| NZHKK | Hokitika | WTC |
| NZHRB | Hornby | CAN |