Biu Local Government Area (LGA) of Borno State, Nigeria, has 5 districts with varying postal/zip codes.
Here are the postal codes for Biu LGA:
Biu Town
Biu Town makes use of 603211
Biu Central
| Location | Postal Code |
| Zara Wuyaku | 603101 |
| Biu | 603101 |
| Sulumithla | 603101 |
| Diwar | 603101 |
| Tashan Danfulani | 603101 |
| Filin Jirgi | 603101 |
| Vinkuthla | 603101 |
| Garu Pirsina | 603101 |
| Waka | 603101 |
| Garwashina | 603101 |
| Yawi | 603101 |
| Gashua | 603101 |
| Zara Kwara | 603101 |
| Ghuma | 603101 |
| Jalingo | 603101 |
| Kabura | 603101 |
| Kenken | 603101 |
| Manda Fumwa | 603101 |
| Mandara Abdu II | 603101 |
|
| Mbula Kivi | 603101 |
| Mbulamel | 603101 |
| Piku | 603101 |
| Pompamari | 603101 |
Biu East
| Location | Postal Code |
| B. C. G. | 603108 |
| Yamir Pilasar | 603108 |
| Birma Jugwal | 603108 |
| Zara Diza | 603108 |
| Brikuthi | 603108 |
| Zara Minnga | 603108 |
| Dugja | 603108 |
| Galdimari | 603108 |
| Guma | 603108 |
| Gwaram | 603108 |
| Kampala | 603108 |
| Mainahari | 603108 |
| Mandara Abdu I | 603108 |
| Nassarawa | 603108 |
| Ntzukuku | 603108 |
| Shuwari | 603108 |
| Tabra | 603108 |
| Tum | 603108 |
| Yamarkumi | 603108 |
|
Dadinkowa
| Location | Postal Code |
| Bam | 603109 |
| Berum | 603109 |
| Buratai | 603109 |
| Chara | 603109 |
| Dam | 603109 |
| Duzuma | 603109 |
| Galabinda | 603109 |
| Gunda | 603109 |
| Kamuya | 603109 |
| Kurnari | 603109 |
| Maiduguri | 603109 |
| Njibi | 603109 |
| Palma | 603109 |
| Panana | 603109 |
| Yarda | 603109 |
Miringa
| Location | Postal Code |
| Zira | 603102 |
| Alagarno | 603102 |
| Bowa | 603102 |
| Burashika | 603102 |
| Chukwarzir | 603102 |
| Garubula | 603102 |
| Gur | 603102 |
| Gur Lawan | 603102 |
| Helma Jibir | 603102 |
| Kimba | 603102 |
| Mandaragrau | 603102 |
| Mangada | 603102 |
| Miringa | 603102 |
| Ngrum | 603102 |
| Warawara | 603102 |
| Ya Adam | 603102 |