| Place | Postal Code |
|---|---|
| Gachuku, Konyu | 10100 |
| Gakuyu, Konyu | 10100 |
| Karindundu, Konyu | 10100 |
| Kiharu, Konyu | 10100 |
| Mukore, Konyu | 10100 |
| Muthua, Konyu | 10100 |
| Postal Codes in Mathira | |
|---|---|
| Iriaini, Mathira | |
| Karatina Town, Mathira | |
| Kirimukuyu, Mathira | |
| Konyu, Mathira | |
| Magutu, Mathira | |
| Ruguru, Mathira | |