Sandamu Local Government Area in Katsina State uses postal codes is 824103.
Here are the postal codes for the towns and districts in Sandamu:
| Place/Area | Postal code |
| Dadin-Kowa | 824103 |
| Rade | 824103 |
| Damagi | 824103 |
| Rijiyar Tsamiya | 824103 |
| Danji | 824103 |
| Ruma | 824103 |
| Duku-Duku | 824103 |
| Ruwau-Dutsi | 824103 |
| Fago | 824103 |
| Sandamu | 824103 |
| Gazori | 824103 |
| Yakawada | 824103 |
| Ingawa | 824103 |
| Yan-Manuwa | 824103 |
| Jar-Kuka | 824103 |
| Zugai | 824103 |
| Jiba | 824103 |
| Kaibaki | 824103 |
| Karkarku | 824103 |
| Katsayal | 824103 |
| Kwasarawa | 824103 |
| Lemo | 824103 |
| Lugga | 824103 |
| Markarku | 824103 |