Auyo Local Government Area in Jigawa State uses postal codes is 731107.
Here are the postal codes for the towns and districts in Auyo:
| Place/Area | Postal Code |
| Tsidir | 731107 |
| Unik | 731107 |
| Adaha | 731107 |
| Auyakayi | 731107 |
| Auyan | 731107 |
| Auyo | 731107 |
| Ayama | 731107 |
| Gamafuwai | 731107 |
| Gamsarka | 731107 |
| Gatafa | 731107 |
| Guyu | 731107 |
| Kafur | 731107 |
| Safa Babba | 731107 |