| Place | Postal Code |
|---|---|
| Biu, Biu central | 603101 |
| Diwar, Biu central | 603101 |
| Filin Jirgi, Biu central | 603101 |
| Garu Pirsina, Biu central | 603101 |
| Garwashina, Biu central | 603101 |
| Gashua, Biu central | 603101 |
| Ghuma, Biu central | 603101 |
| Jalingo, Biu central | 603101 |
| Kabura, Biu central | 603101 |
| Kenken, Biu central | 603101 |
| Manda Fumwa, Biu central | 603101 |
| Mandara Abdu II, Biu central | 603101 |
| Mbula Kivi, Biu central | 603101 |
| Mbulamel, Biu central | 603101 |
| Piku, Biu central | 603101 |
| Pompamari, Biu central | 603101 |
| Sulumithla, Biu central | 603101 |
| Tashan Danfulani, Biu central | 603101 |
| Vinkuthla, Biu central | 603101 |
| Waka, Biu central | 603101 |
| Yawi, Biu central | 603101 |
| Zara Kwara, Biu central | 603101 |
| Zara Wuyaku, Biu central | 603101 |
| Postal Codes in Biu | |
|---|---|
| Biu, Biu | |
| Biu central, Biu | |
| Biu east, Biu | |
| Dadinkowa, Biu | |
| Miringa, Biu | |