| Postal Code | Postal Code Place Name | Region | Province |
|---|---|---|---|
| 93010 | Serradifalco | Sicilia | Caltanissetta |
| 93011 | Butera | Sicilia | Caltanissetta |
| 93012 | Gela | Sicilia | Caltanissetta |
| 93013 | Mazzarino | Sicilia | Caltanissetta |
| 93014 | Mussomeli | Sicilia | Caltanissetta |
| 93015 | Niscemi | Sicilia | Caltanissetta |
| 93016 | Riesi | Sicilia | Caltanissetta |
| 93017 | San Cataldo | Sicilia | Caltanissetta |
| 93018 | Santa Caterina Villarmosa | Sicilia | Caltanissetta |
| 93019 | Sommatino | Sicilia | Caltanissetta |
| 93100 | Caltanissetta | Sicilia | Caltanissetta |