| Place | Post Code |
|---|---|
| Kamandou, Beyla) | |
| Nafaya Centre, Beyla) |
| Postal Codes in Sinko | |
|---|---|
| Belekoro | |
| Bengoa | |
| Biramadou | |
| Bokémessen | |
| Bronkedou | |
| Diani | |
| Heremakono | |
| Kondela | |
| Kouloundou | |
| Lumumba | |
| Mbalia | |
| Moako I | |
| Nafaya | |
| Ngomandou | |
| Oussoumoridou | |
| Sabouya | |
| Sinko | |
| Siriya | |
| Soridou | |
| Sue | |
| Toumanidou | |