| ZIP | Locality | Prov | Region | Area Code | Belfiore | Notes | Locality | ZIP |
|---|---|---|---|---|---|---|---|---|
| 93100 | Caltanissetta | CL | Sicily | 0934 | B429 | Caltanissetta CL - Sicily | 93100 | |
| 93100 | Borgo Petilia | CL | Sicily | 0934 | Frazione of Caltanissetta | Borgo Petilia CL - Sicily Frazione of Caltanissetta | 93100 | |
| 93100 | Favarella | CL | Sicily | 0934 | Frazione of Caltanissetta | Favarella CL - Sicily Frazione of Caltanissetta | 93100 | |
| 93100 | Villaggio Santa Barbara | CL | Sicily | 0934 | Frazione of Caltanissetta | Villaggio Santa Barbara CL - Sicily Frazione of Caltanissetta | 93100 |