| ZIP | Locality | Prov | Region | Area Code | Belfiore | Notes | Locality | ZIP |
|---|---|---|---|---|---|---|---|---|
| 54100 | Massa | MS | Tuscany | 0585 | F023 | Massa MS - Tuscany | 54100 | |
| 54100 | Altagnana | MS | Tuscany | 0585 | Frazione of Massa | Altagnana MS - Tuscany Frazione of Massa | 54100 | |
| 54100 | Canevara | MS | Tuscany | 0585 | Frazione of Massa | Canevara MS - Tuscany Frazione of Massa | 54100 | |
| 54100 | Casette | MS | Tuscany | 0585 | Frazione of Massa | Casette MS - Tuscany Frazione of Massa | 54100 | |
| 54100 | Forno | MS | Tuscany | 0585 | Frazione of Massa | Forno MS - Tuscany Frazione of Massa | 54100 | |
| 54100 | Marina di Massa | MS | Tuscany | 0585 | Frazione of Massa | Marina di Massa MS - Tuscany Frazione of Massa | 54100 | |
| 54100 | Mirteto | MS | Tuscany | 0585 | Frazione of Massa | Mirteto MS - Tuscany Frazione of Massa | 54100 | |
| 54100 | Quercioli | MS | Tuscany | 0585 | Frazione of Massa | Quercioli MS - Tuscany Frazione of Massa | 54100 | |
| 54100 | Ronchi | MS | Tuscany | 0585 | Frazione of Massa | Ronchi MS - Tuscany Frazione of Massa | 54100 | |
| 54100 | Turano | MS | Tuscany | 0585 | Frazione of Massa | Turano MS - Tuscany Frazione of Massa | 54100 |