| Postal Code | Postal Code Place Name | Province | Canton |
|---|---|---|---|
| 50301 | Santa Cruz | Guanacaste | Santa Cruz |
| 50302 | Bolsón | Guanacaste | Santa Cruz |
| 50303 | Veintisiete de Abril | Guanacaste | Santa Cruz |
| 50304 | Tempate | Guanacaste | Santa Cruz |
| 50305 | Cartagena | Guanacaste | Santa Cruz |
| 50306 | Cuajiniquil | Guanacaste | Santa Cruz |
| 50307 | Diriá | Guanacaste | Santa Cruz |
| 50308 | Cabo Velas | Guanacaste | Santa Cruz |
| 50309 | Tamarindo | Guanacaste | Santa Cruz |