| Locality | Post Code |
|---|---|
| Fatai, Nukunuku | |
| Ha'akame, Nukunuku | |
| Ha'alalo, Nukunuku | |
| Houma, Nukunuku | |
| Lakepa, Nukunuku | |
| Matafonua, Nukunuku | |
| Matahau, Nukunuku | |
| Nukunuku, Nukunuku | |
| 'Utulau, Nukunuku | |
| Vaotu'u, Nukunuku |
| Tongatapu Postal Codes | |
|---|---|
| Vaini | Tatakamotonga |
| Nukunuku | Lapaha |
| Kolovai | Kolomotu'a |
| Kolofo'ou | |