Jahun is one of the 27 Local Government Areas (LGAs) in Jigawa State, Nigeria. Its headquarters is located in the town of Jahun.
All the areas located within the LGA make use of the same postal codes.
Below are all the postal codes for Jahun LGA:
Aujara
| Location | Postal Code |
| Magama | 720104 |
| Tukuyama | 720104 |
| Atawame | 720104 |
| Jabarna | 720104 |
| Aujara | 720104 |
| Kale | 720104 |
| Burabiri | 720104 |
| Kanwa | 720104 |
| C-Dango | 720104 |
| Kargo | 720104 |
| C-Gona | 720104 |
| Larabawa | 720104 |
| Carado | 720104 |
| M-Aruman | 720104 |
| Damutawa | 720104 |
| M-Atuman | 720104 |
| Darai | 720104 |
| Dina | 720104 |
| Doro | 720104 |
| G-Zaki | 720104 |
| Gabari | 720104 |
| Garan | 720104 |
| Gaurai | 720104 |
| Gunka | 720104 |
| H-Tschuwa | 720104 |
Jahun
| Location | Postal Code |
| Achau | 720103 |
| Kadawawa | 720103 |
| Aducuwa | 720103 |
| Kadoma | 720103 |
| Afunfuna | 720103 |
| Kafin-Baka | 720103 |
| Agufa | 720103 |
| Ki-Bawa | 720103 |
| Chambe | 720103 |
| Kwanjamaawa | 720103 |
| Chanbayi | 720103 |
| Maduga | 720103 |
| Dogawa | 720103 |
| Rinde | 720103 |
| Fngwalayi | 720103 |
| Tukunyawa | 720103 |
| Galadima Jibo | 720103 |
| Yarijigawa | 720103 |
| Gangawa | 720103 |
| Gauza Gwamfai | 720103 |
| Gwari | 720103 |
| Harbo Sabuwa | 720103 |
| Harbo Tsohuwa | 720103 |
| Idanduna | 720103 |
| Jahun | 720103 |