| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Corga do Moinho, Isna | 6160-151 |
| Postal/ZIP Codes in Isna, Isna | 6160-152 |
| Postal/ZIP Codes in Pedintal, Isna | 6160-153 |
| Postal/ZIP Codes in Ribeira da Isna, Isna | 6160-154 |
| Postal/ZIP Codes in Vale da Cuba, Isna | 6160-155 |
| Postal/ZIP Codes in Vale de Lousã, Isna | 6160-156 |