Ingawa Local Government Area in Katsina State uses postal codes is 823104.
Here are the postal codes for the towns and districts in Ingawa:
| Place/Area | Postal code |
| Agayawa | 823104 |
| Maramwa | 823104 |
| Bakinkwari | 823104 |
| Nasarawa | 823104 |
| Bareruwa | 823104 |
| Rimin Hagau | 823104 |
| Bidore | 823104 |
| Ruruma | 823104 |
| Dan Ashintan | 823104 |
| Tunas | 823104 |
| Dara | 823104 |
| Yalasse | 823104 |
| Daunaka | 823104 |
| Yallawa | 823104 |
| Dugul | 823104 |
| Yan Kaura | 823104 |
| Gamda | 823104 |
| Yandoma | 823104 |
| Ingawa | 823104 |
| Yaya | 823104 |
| Jobe-Kandawa | 823104 |
| Kafi | 823104 |
| Karkarku | 823104 |
| Koda | 823104 |
| Kurfeji | 823104 |
| Maje | 823104 |