| Place | Postal Code |
|---|---|
| Chorongi, Ruring'U | 10100 |
| Kariara, Ruring'U | 10100 |
| Ruringu, Ruring'U | 10133 |
| Thunguma, Ruring'U | 10100 |
| Postal Codes in Nyeri Town | |
|---|---|
| Gatitu/Muruguru, Nyeri Town | |
| Kamakwa/Mukaro, Nyeri Town | |
| Kiganjo/Mathari, Nyeri Town | |
| Ruring'U, Nyeri Town | |
| Rware, Nyeri Town | |