| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Lemisigiyo, Porro | 20600 |
| Postal/ZIP Codes in Malaso, Porro | 20600 |
| Postal/ZIP Codes in Nauneri, Porro | 20600 |
| Postal/ZIP Codes in Ngejumuny, Porro | 20600 |
| Postal/ZIP Codes in Seketet, Porro | 20600 |
| Postal/ZIP Codes in Siambu, Porro | 20600 |
| Postal/ZIP Codes in Sirata-Oirobi, Porro | 20600 |