| CP | Localidad | Prov | Región | Pref | Belfiore | Notas | Localidad | pref |
|---|---|---|---|---|---|---|---|---|
| 03010 | Acuto | FR | Lacio | 0775 | A054 | Acuto FR - Lacio | 0775 | |
| 03011 | Alatri | FR | Lacio | 0775 | A123 | Alatri FR - Lacio | 0775 | |
| 03021 | Amaseno | FR | Lacio | 0775 | A256 | Amaseno FR - Lacio | 0775 | |
| 03012 | Anagni | FR | Lacio | 0775 | A269 | Anagni FR - Lacio | 0775 | |
| 03020 | Arnara | FR | Lacio | 0775 | A421 | Arnara FR - Lacio | 0775 | |
| 03022 | Boville Ernica | FR | Lacio | 0775 | A720 | Boville Ernica FR - Lacio | 0775 | |
| 03020 | Castro dei Volsci | FR | Lacio | 0775 | C338 | Castro dei Volsci FR - Lacio | 0775 | |
| 03023 | Ceccano | FR | Lacio | 0775 | C413 | Ceccano FR - Lacio | 0775 | |
| 03024 | Ceprano | FR | Lacio | 0775 | C479 | Ceprano FR - Lacio | 0775 | |
| 03010 | Collepardo | FR | Lacio | 0775 | C864 | Collepardo FR - Lacio | 0775 |