| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Areiyet, Sigor | 20400 |
| Postal/ZIP Codes in Chepkosa, Sigor | 20400 |
| Postal/ZIP Codes in Kapsabul, Sigor | 20400 |
| Postal/ZIP Codes in Kipkeigei, Sigor | 20400 |
| Postal/ZIP Codes in Lelaitich, Sigor | 20400 |
| Postal/ZIP Codes in Lugumek, Sigor | 20400 |
| Postal/ZIP Codes in Sigor, Sigor | 20405 |
| Postal/ZIP Codes in Sugumerga, Sigor | 20400 |
| Postal/ZIP Codes in Tumoi, Sigor | 20400 |