| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Baverstock, Hamilton | 3289 |
| Postal/ZIP Codes in Burbush, Hamilton | 3200, 3288, 3289 |
| Postal/ZIP Codes in Eureka, Hamilton | 3286, 3287, 3371, 3372 |
| Postal/ZIP Codes in Hamilton, Hamilton | 3200, 3204, 3206, 3210, 3214, … |
| Postal/ZIP Codes in Horotiu, Hamilton | 3288 |
| Postal/ZIP Codes in Horsham Downs, Hamilton | 3281, 3288, 3791 |
| Postal/ZIP Codes in Newstead, Hamilton | 3286, 3287 |
| Postal/ZIP Codes in Puketaha, Hamilton | 3210, 3214, 3281, 3286 |
| Postal/ZIP Codes in Rukuhia, Hamilton | 3882, 3882, 3282 |