All the locations within Gadau Local Government Area (LGA) of Bauchi State, Nigeria, use the same postal/zip codes.
Here’s the postcode for Gadau LGA
| Location | Postcode |
| Abbari | 751105 |
| Walai | 751105 |
| Ashigeri | 751105 |
| Atawari | 751105 |
| Babu Gudu | 751105 |
| Babuwuri | 751105 |
| Diga | 751105 |
| Dunari | 751105 |
| Gadau | 751105 |
| Garin Buraji | 751105 |
| Garin Malam | 751105 |
| Gata Fowa | 751105 |
| Kanaderi | 751105 |
| Kashuri | 751105 |
| Ktsinawa | 751105 |
| Nomari | 751105 |
| Sharifufi | 751105 |