| ZIP | Locality | Prov | Region | Area Code | Belfiore | Notes | Locality | ZIP |
|---|---|---|---|---|---|---|---|---|
| 24030 | Gromlongo | BG | Lombardy | Frazione of Palazzago | Gromlongo BG - Lombardy Frazione of Palazzago | 24030 | ||
| 24020 | Gromo | BG | Lombardy | 0346 | E189 | Gromo BG - Lombardy | 24020 | |
| 84047 | Gromola | SA | Campania | Frazione of Capaccio Paestum | Gromola SA - Campania Frazione of Capaccio Paestum | 84047 | ||
| 54027 | Grondola | MS | Tuscany | Frazione of Pontremoli | Grondola MS - Tuscany Frazione of Pontremoli | 54027 | ||
| 15060 | Grondona | AL | Piedmont | 0143 | E191 | Grondona AL - Piedmont | 15060 | |
| 24060 | Grone | BG | Lombardy | 035 | E192 | Grone BG - Lombardy | 24060 | |
| 26044 | Grontardo | CR | Lombardy | 0372 | E193 | Grontardo CR - Lombardy | 26044 | |
| 27027 | Gropello Cairoli | PV | Lombardy | 0382 | E195 | Gropello Cairoli PV - Lombardy | 27027 | |
| 29023 | Groppallo | PC | Emilia-Romagna | Frazione of Farini | Groppallo PC - Emilia-Romagna Frazione of Farini | 29023 | ||
| 29025 | Gropparello | PC | Emilia-Romagna | 0523 | E196 | Gropparello PC - Emilia-Romagna | 29025 |