| Place | Post Code |
|---|---|
| Aibotse, Auchi | 312101 |
| Akpekpe, Auchi | 312101 |
| Igbei, Auchi | 312101 |
| Iyekhe, Auchi | 312101 |
| Usogun, Auchi | 312101 |
| All postal codes in Etsako West | |
|---|---|
| Auchi, Etsako West | |
| Aviele, Etsako West | |
| Awain, Etsako West | |
| Jagbe, Etsako West | |
| South Ibie, Etsako West | |
| Uzairue-Jattu, Etsako West | |