| (06) 27X |
Hawera |
| (06) 30X |
Featherston |
| (06) 32X |
Palmerston North (satellite towns), Marton |
| (06) 34X |
Wanganui |
| (06) 35X |
Palmerston North (city) |
| (06) 36X |
Levin |
| (06) 37X |
Masterton, Dannevirke, Pahiatua |
| (06) 38X |
Taihape, Ohakune, Waiouru |
| (06) 75X |
New Plymouth, Mokau |
| (06) 76X |
New Plymouth, Opunake, Stratford |
| (06) 83X |
Napier (northern satellite towns), Wairoa |
| (06) 84X |
Napier (Napier city) |
| (06) 85X |
Waipukurau |
| (06) 86X |
Gisborne, Ruatoria |
| (06) 87X |
Hastings (city and southern satellite towns) |
| (06) 94X |
Masterton, Levin |
| (06) 95X |
Palmerston North, New Plymouth |
| (06) 96X |
Wanganui, New Plymouth |
| (06) 97X |
Napier |
| (06) 98X |
Gisborne |