| Place | Post Code |
|---|---|
| Bontioli, Zambo | None |
| Dergane, Zambo | None |
| Djikologo, Zambo | None |
| Foroteon, Zambo | None |
| Manoa, Zambo | None |
| Pintou, Zambo | None |
| Zambo, Zambo | None |
| All postal codes in Ioba | |
|---|---|
| Dano, Ioba | |
| Dissin, Ioba | |
| Guéguéré, Ioba | |
| Koper, Ioba | |
| Niégo, Ioba | |
| Oronkua, Ioba | |
| Ouessa, Ioba | |
| Zambo, Ioba | |