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 or zip codes.
Here are the postcodes for Jahun LGA:
Aujara
| Location | Postcode |
| 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 | Postcode |
| 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 |