| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Arrabal, Arrabal | 2420 |
| Postal/ZIP Codes in Cardosos, Arrabal | 2420-020 |
| Postal/ZIP Codes in Casal Ferreiros, Arrabal | 2420-021 |
| Postal/ZIP Codes in Freixial, Arrabal | 2420-023 |
| Postal/ZIP Codes in Lagoa, Arrabal | 2420-024 |
| Postal/ZIP Codes in Martinela, Arrabal | 2420-025 |
| Postal/ZIP Codes in Parracheira, Arrabal | 2420-026 |
| Postal/ZIP Codes in Soutocico, Arrabal | 2420 |
| Postal/ZIP Codes in Vale Santa Margarida, Arrabal | 2420-049 |
| Postal/ZIP Codes in Várzea, Arrabal | 2420-050 |