Gulani Local Government Area in Yobe State uses the postal code 621102.
Here is the postal code for Gulani:
| Place/Area | Postal code |
| Bara | 621102 |
| Borno-Kiji | 621102 |
| Bularaba | 621102 |
| Bumsa | 621102 |
| Burasari | 621102 |
| Chandam | 621102 |
| Dokshi | 621102 |
| Gabai | 621102 |
| Gagure | 621102 |
| Gargari | 621102 |
| Garin Tuwo | 621102 |
| Kukuwa | 621102 |
| Kushimaga | 621102 |
| Ngulwa | 621102 |
| Ngurun | 621102 |
| Nguzoa | 621102 |
| Ruhu | 621102 |
| Tetteba | 621102 |