| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Gacharaigu, Wangu | 10200 |
| Postal/ZIP Codes in Gatheru, Wangu | 10200 |
| Postal/ZIP Codes in Kahuti, Wangu | 10200 |
| Postal/ZIP Codes in Kirogo, Wangu | 10200 |
| Postal/ZIP Codes in Mukangu, Wangu | 10200 |
| Postal/ZIP Codes in Wangu, Wangu | 10200 |
| Postal/ZIP Codes in Wanjengi, Wangu | 10225 |