| ZIP | Locality | Prov | Region | Area Code | Belfiore | Notes | Locality | area code |
|---|---|---|---|---|---|---|---|---|
| 02020 | Collegiove | RI | Lazio | 0765 | C859 | Collegiove RI - Lazio | 0765 | |
| 02042 | Collevecchio | RI | Lazio | 0765 | C876 | Collevecchio RI - Lazio | 0765 | |
| 02020 | Concerviano | RI | Lazio | 0765 | C946 | Concerviano RI - Lazio | 0765 | |
| 02032 | Fara in Sabina | RI | Lazio | 0765 | D493 | Fara in Sabina RI - Lazio | 0765 | |
| 00065 | Fiano Romano | RM | Lazio | 0765 | D561 | Fiano Romano RM - Lazio | 0765 | |
| 00060 | Filacciano | RM | Lazio | 0765 | D586 | Filacciano RM - Lazio | 0765 | |
| 02044 | Forano | RI | Lazio | 0765 | D689 | Forano RI - Lazio | 0765 | |
| 02030 | Frasso Sabino | RI | Lazio | 0765 | D785 | Frasso Sabino RI - Lazio | 0765 | |
| 02020 | Longone Sabino | RI | Lazio | 0765 | E681 | Longone Sabino RI - Lazio | 0765 | |
| 02020 | Marcetelli | RI | Lazio | 0765 | E927 | Marcetelli RI - Lazio | 0765 |