| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Casais da Lage, Olhalvo | 2580 |
| Postal/ZIP Codes in Casais da Ramalheira, Olhalvo | 2580-193 |
| Postal/ZIP Codes in Casal Perdigoto, Olhalvo | 2580 |
| Postal/ZIP Codes in Cruzeiro, Olhalvo | 2580-622, 2580-195, 2580-195 |
| Postal/ZIP Codes in Montegil, Olhalvo | 2580-620 |
| Postal/ZIP Codes in Olhalvo, Olhalvo | 2580 |
| Postal/ZIP Codes in Penafirme da Mata, Olhalvo | 2580-230 |
| Postal/ZIP Codes in Pocariça, Olhalvo | 2580 |
| Postal/ZIP Codes in Pousoa, Olhalvo | 2580-231 |