Nganzai Local Government Area in Borno State uses postal codes is 612103.
Here are the postal codes for the towns and districts in Nganzai:
| Place/Area | Postal Code |
| Alarge | 612103 |
| Shattam | 612103 |
| Badu | 612103 |
| Sugundure | 612103 |
| Bubabulin | 612103 |
| Zigalta | 612103 |
| Damakara | 612103 |
| Daram | 612103 |
| Felo | 612103 |
| Gadai | 612103 |
| Gadayi | 612103 |
| Gajiram | 612103 |
| Kingoe | 612103 |
| Kuda | 612103 |
| Kurnawa | 612103 |
| Maiwa | 612103 |
| Miye | 612103 |
| Sababuwa | 612103 |
| Sahsawa | 612103 |