© 2025 - New Zealand Postcodes
| Postal code - Places |
| 5713 - Carterton |
| 5713 - Carterton Clareville |
| 5791 - Carterton Rural |
| 5792 - Carterton Rural |
| 5883 - Masterton Rural |
| 5884 - Masterton Rural |
| 5887 - Masterton Rural |
| 5583 - Otaki Rural |
| Postal code - Business & administrative |
|
5743 - Carterton PO Boxes 1 - 240 |