| Locality | Post Code |
|---|---|
| Aranga, Kaipara | 0373, 0376, 0379 |
| Arapohue, Kaipara | 0370, 0374, 0381, 0592 |
| Ararua, Kaipara | 0594 |
| Aratapu, Kaipara | 0371 |
| Awakino Point, Kaipara | 0372 |
| Baylys Beach, Kaipara | 0377 |
| Brynderwyn, Kaipara | 0587 |
| Dargaville, Kaipara | 0172, 0310, 0371, 0372, 0373, … |
| Donnellys Crossing, Kaipara | 0376, 0379, 0474 |
| Hakaru, Kaipara | 0573, 0975 |
| Hoanga, Kaipara | 0374 |
| Kaihu, Kaipara | 0172, 0373, 0376, 0379 |
| Kaiwaka, Kaipara | 0573, 0587, 0975 |
| Mahuta, Kaipara | 0371 |
| Mamaranui, Kaipara | 0372, 0373 |
| Mangawhai, Kaipara | 0505, 0573, 0975 |
| Mareretu, Kaipara | 0571, 0589 |
| Matakohe, Kaipara | 0591, 0593, 0594 |
| Maungaturoto, Kaipara | 0520, 0571, 0583, 0587, 0588, … |
| Omamari, Kaipara | 0373 |
| Omana, Kaipara | 0381, 0193, 0193 |
| Oruawharo, Kaipara | 0975 |
| Pahi, Kaipara | 0571 |
| Paparoa, Kaipara | 0193, 0571, 0583, 0594 |
| Parore, Kaipara | 0310, 0372, 0373, 0377 |
| Pouto, Kaipara | 0391 |