| ZIP | Locality | Prov | Region | Area Code | Belfiore | Notes | Locality | ZIP |
|---|---|---|---|---|---|---|---|---|
| 00012 | Guidonia Montecelio | RM | Lazio | 0774 | E263 | Guidonia Montecelio RM - Lazio | 00012 | |
| 00012 | Albuccione | RM | Lazio | Frazione of Guidonia Montecelio | Albuccione RM - Lazio Frazione of Guidonia Montecelio | 00012 | ||
| 00012 | Colle Verde | RM | Lazio | Frazione of Guidonia Montecelio | Colle Verde RM - Lazio Frazione of Guidonia Montecelio | 00012 | ||
| 00012 | Guidonia | RM | Lazio | Frazione of Guidonia Montecelio | Guidonia RM - Lazio Frazione of Guidonia Montecelio | 00012 | ||
| 00012 | La Botte | RM | Lazio | Frazione of Guidonia Montecelio | La Botte RM - Lazio Frazione of Guidonia Montecelio | 00012 | ||
| 00012 | Montecelio | RM | Lazio | Frazione of Guidonia Montecelio | Montecelio RM - Lazio Frazione of Guidonia Montecelio | 00012 | ||
| 00012 | Setteville | RM | Lazio | Frazione of Guidonia Montecelio | Setteville RM - Lazio Frazione of Guidonia Montecelio | 00012 | ||
| 00012 | Villalba | RM | Lazio | Frazione of Guidonia Montecelio | Villalba RM - Lazio Frazione of Guidonia Montecelio | 00012 | ||
| 00012 | Villanova | RM | Lazio | Frazione of Guidonia Montecelio | Villanova RM - Lazio Frazione of Guidonia Montecelio | 00012 |