| Province | ZIP (from ... to) | Population | Municipalities |
|---|---|---|---|
| Agrigento | 92010 ... 92100 | 410,323 | 43 |
| Caltanissetta | 93010 ... 93100 | 246,960 | 22 |
| Catania | 95010 ... 95058 95121 ... 95131 (CAP Catania) | 1,071,041 | 58 |
| Enna | 94010 ... 94100 | 153,589 | 20 |
| Messina | 98020 ... 98079 98121 ... 98168 (CAP Messina) | 598,165 | 108 |
| Palermo | 90010 ... 90088 90121 ... 90151 (CAP Palermo) | 1,198,594 | 82 |
| Ragusa | 97010 ... 97100 | 319,260 | 12 |
| Syracuse | 96010 ... 96100 | 383,604 | 21 |
| Trapani | 91010 ... 91100 | 412,976 | 25 |