| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Arrayanal, Fosca | 251837 |
| Postal/ZIP Codes in El Centro, Fosca | 251837 |
| Postal/ZIP Codes in El Espino, Fosca | 251837 |
| Postal/ZIP Codes in Fosca, Fosca | 251830 |
| Postal/ZIP Codes in Jucual, Fosca | 251837 |
| Postal/ZIP Codes in La Hoya, Fosca | 251837 |
| Postal/ZIP Codes in Potreritos, Fosca | 251837 |
| Postal/ZIP Codes in Quinchita, Fosca | 251837 |
| Postal/ZIP Codes in San Antonio, Fosca | 251837 |
| Postal/ZIP Codes in Yerbabuena, Fosca | 251837 |