| Place | Postal Code |
|---|---|
| B. C. G., Biu east | 603108 |
| Birma Jugwal, Biu east | 603108 |
| Brikuthi, Biu east | 603108 |
| Dugja, Biu east | 603108 |
| Galdimari, Biu east | 603108 |
| Guma, Biu east | 603108 |
| Gwaram, Biu east | 603108 |
| Kampala, Biu east | 603108 |
| Mainahari, Biu east | 603108 |
| Mandara Abdu I, Biu east | 603108 |
| Nassarawa, Biu east | 603108 |
| Ntzukuku, Biu east | 603108 |
| Shuwari, Biu east | 603108 |
| Tabra, Biu east | 603108 |
| Tum, Biu east | 603108 |
| Yamarkumi, Biu east | 603108 |
| Yamir Pilasar, Biu east | 603108 |
| Zara Diza, Biu east | 603108 |
| Zara Minnga, Biu east | 603108 |
| Postal Codes in Biu | |
|---|---|
| Biu, Biu | |
| Biu central, Biu | |
| Biu east, Biu | |
| Dadinkowa, Biu | |
| Miringa, Biu | |