Yankwashi is one of the 27 Local Government Areas (LGAs) in Jigawa State, Nigeria.
All the areas located within the LGA make use of the same postal codes.
Below are all the postal codes for Yankwashi LGA:
| Location | Postal Code |
| Achilafia | 705102 |
| Zungumba | 705102 |
| Ba Auzini | 705102 |
| Badaza | 705102 |
| Belas | 705102 |
| Daba | 705102 |
| Dan Dutse | 705102 |
| Dandi | 705102 |
| Gezoj | 705102 |
| Gwarta | 705102 |
| Kafin Chiroma | 705102 |
| Karkarna | 705102 |
| Kwarin Kalgo | 705102 |
| Rauda | 705102 |
| Ringim | 705102 |
| Tsedau | 705102 |
| Yankwashi | 705102 |