| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Kiwanja, Mnazi | 21743 |
| Postal/ZIP Codes in Kwemkwazu, Mnazi | 21743 |
| Postal/ZIP Codes in Langoni 'A', Mnazi | 21743 |
| Postal/ZIP Codes in Langoni 'B', Mnazi | 21743 |
| Postal/ZIP Codes in Mbaru, Mnazi | 21743 |
| Postal/ZIP Codes in Mkundi, Mnazi | 21743 |