| Postal Code | Postal Code Place Name | Province | Canton |
|---|---|---|---|
| 30501 | Turrialba | Cartago | Turrialba |
| 30502 | La Suiza | Cartago | Turrialba |
| 30503 | Peralta | Cartago | Turrialba |
| 30504 | Santa Cruz | Cartago | Turrialba |
| 30505 | Santa Teresita | Cartago | Turrialba |
| 30506 | Pavones | Cartago | Turrialba |
| 30507 | Tuis | Cartago | Turrialba |
| 30508 | Tayutic | Cartago | Turrialba |
| 30509 | Santa Rosa | Cartago | Turrialba |
| 30510 | Tres Equis | Cartago | Turrialba |
| 30511 | La Isabel | Cartago | Turrialba |
| 30512 | Chirripó | Cartago | Turrialba |