Dutsi Local Government Area in Katsina State uses postal codes is 823103.
Here are the postal codes for the towns and districts in Dutsi:
| Place/Area | Postal Code |
| Shargalle | 823103 |
| Sirika | 823103 |
| Tashar-Wali | 823103 |
| Yamel | 823103 |
| Baugel | 823103 |
| Kagon-Burtu | 823103 |
| Be’al | 823103 |
| Karawa | 823103 |
| Beguwa | 823103 |
| Karemi | 823103 |
| Dan Rumai | 823103 |
| Kayawa | 823103 |
| Dan-Kowa | 823103 |
| Kegiya | 823103 |
| Danaunai | 823103 |
| Macinawa | 823103 |
| Dinya mai | 823103 |
| Madawa | 823103 |
| Dinya mai Randa | 823103 |
| Makan Gara | 823103 |
| Dutsawa | 823103 |
| Makangara | 823103 |
| Dutsi | 823103 |
| Minawa | 823103 |
| Gazari | 823103 |
| R–Kaya | 823103 |
| Gewayau | 823103 |
| Ginginya | 823103 |
| Jigawa-Tirke | 823103 |
| Kaba | 823103 |
| Kafin Labu | 823103 |