| Locality | Postal Code |
|---|---|
| Postal/ZIP Codes in Kangani, Koungou | 97600 |
| Postal/ZIP Codes in Koungou, Koungou | 97600 |
| Postal/ZIP Codes in Longoni, Koungou | 97600 |
| Postal/ZIP Codes in Majicavo-Koropa, Koungou | 97600 |
| Postal/ZIP Codes in Majicavo Lamir, Koungou | 97600 |
| Postal/ZIP Codes in Trévani, Koungou | 97600 |