| Province | ZIP (from ... to) | Population | Municipalities |
|---|---|---|---|
| Arezzo | 52010 ... 52100 | 333,646 | 36 |
| Florence | 50012 ... 50068 50121 ... 50145 (CAP Florence) | 989,460 | 41 |
| Grosseto | 58010 ... 58100 | 215,328 | 28 |
| Livorno | 57014 ... 57038 57121 ... 57128 (CAP Livorno) | 325,431 | 19 |
| Lucca | 55011 ... 55100 | 380,693 | 33 |
| Massa-Carrara | 54010 ... 54100 | 186,759 | 17 |
| Pisa | 56010 ... 56048 56121 ... 56128 (CAP Pisa) | 418,561 | 37 |
| Pistoia | 51010 ... 51100 | 290,036 | 20 |
| Prato | 59013 ... 59100 | 261,094 | 7 |
| Siena | 53011 ... 53100 | 259,826 | 35 |