| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Blue Mountains, Upper Hutt | 5371 |
| Postal/ZIP Codes in Moonshine Valley, Upper Hutt | 5381 |
| Postal/ZIP Codes in Porirua, Upper Hutt | 5381 |
| Postal/ZIP Codes in Remutaka Hill, Upper Hutt | 5372 |
| Postal/ZIP Codes in Upper Hutt, Upper Hutt | 5018, 5019, 5371, 5372 |
| Postal/ZIP Codes in Whitemans Valley, Upper Hutt | 5371 |