Mani Local Government Area in Katsina State uses postal codes is 823101.
Here are the postal codes for the towns and districts in Mani:
| Place/Area | Postal code |
| Aliyaba | 823101 |
| Kwatya | 823101 |
| Bagiwa | 823101 |
| Machika | 823101 |
| Bakan Karo | 823101 |
| Magani | 823101 |
| Birjiwa | 823101 |
| Makau | 823101 |
| Bujawa | 823101 |
| Mani | 823101 |
| Dawan-Makawu | 823101 |
| Muduru | 823101 |
| Duwan | 823101 |
| Saguwa | 823101 |
| Gajema | 823101 |
| Sardago | 823101 |
| Gewayau | 823101 |
| Shakura | 823101 |
| Hancheta | 823101 |
| Takusheyi | 823101 |
| Jachi | 823101 |
| Tsagen | 823101 |
| Jani | 823101 |
| Tsaurara | 823101 |
| Jirja | 823101 |
| Turawa | 823101 |
| kijibta | 823101 |
| Kugabo | 823101 |
| Kumumuwa | 823101 |