| ZIP | Locality | Prov | Region | Area Code | Belfiore | Notes | Locality | area code |
|---|---|---|---|---|---|---|---|---|
| 03045 | Esperia | FR | Lazio | 0776 | D440 | Esperia FR - Lazio | 0776 | |
| 03035 | Fontana Liri | FR | Lazio | 0776 | D667 | Fontana Liri FR - Lazio | 0776 | |
| 03030 | Fontechiari | FR | Lazio | 0776 | D682 | Fontechiari FR - Lazio | 0776 | |
| 03040 | Gallinaro | FR | Lazio | 0776 | D881 | Gallinaro FR - Lazio | 0776 | |
| 03036 | Isola del Liri | FR | Lazio | 0776 | E340 | Isola del Liri FR - Lazio | 0776 | |
| 03020 | Pastena | FR | Lazio | 0776 | G362 | Pastena FR - Lazio | 0776 | |
| 03030 | Pescosolido | FR | Lazio | 0776 | G500 | Pescosolido FR - Lazio | 0776 | |
| 03040 | Picinisco | FR | Lazio | 0776 | G591 | Picinisco FR - Lazio | 0776 | |
| 03020 | Pico | FR | Lazio | 0776 | G592 | Pico FR - Lazio | 0776 | |
| 03030 | Piedimonte San Germano | FR | Lazio | 0776 | G598 | Piedimonte San Germano FR - Lazio | 0776 |