| Place | Post Code |
|---|---|
| Alfaro, San Isidro | 20302 |
| Bajo Achiote, San Isidro | 20302 |
| Camejo, San Isidro | 20302 |
| Coopevictoria, San Isidro | 20302 |
| Corinto, San Isidro | 20302 |
| Higuerones, San Isidro | 20302 |
| Mesón, San Isidro | 20302 |
| Mojón, San Isidro | 20302 |
| Primavera, San Isidro | 20302 |
| Quizarrazal, San Isidro | 20302 |
| San Isidro, San Isidro | 20302 |