| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Isaa, Mutha | 90200 |
| Postal/ZIP Codes in Kaatene, Mutha | 90200 |
| Postal/ZIP Codes in Kalambani, Mutha | 90200 |
| Postal/ZIP Codes in Kalia Katune, Mutha | 90200 |
| Postal/ZIP Codes in Kengo, Mutha | 90200 |
| Postal/ZIP Codes in Kiati, Mutha | 90200 |
| Postal/ZIP Codes in Kiimani, Mutha | 90200 |
| Postal/ZIP Codes in Kivyuni, Mutha | 90200 |
| Postal/ZIP Codes in Mutha, Mutha | 90211 |
| Postal/ZIP Codes in Ndakani, Mutha | 90200 |
| Postal/ZIP Codes in Ngaani, Mutha | 90200 |