Area Code +39-0578-(28...289999) located in Chiusi, Siena (SI), more detail is as below. Place International Dialing Code : 39 International Prefix : 00 National Destination Code : 0578 Subscriber Number From : 28 Subscriber Number To : 289999 National Destination Code Length : 4 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : BT Italia S.p.A. Click here to buy Italy Area Code Database Other Information Language Code : it (Italian) Country Number : 380 (Italy) Country Code : IT (Italy) Region Code : SI Region Name : Siena City : Chiusi Timezone : Europe/Rome Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 6 Latitude : 43.0200 Longitude : 11.9500 ‹ previous : +39-0578-(27...279999) next › : +39-0578-(29...299999) Dialling Instructions For trunk calls: - 0578 28 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 39 0578 28 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 28 ~ 289999 (Count: 289,972) Example: +39-0578-000028 / 0039-0578-000028 (0578-000028 / -0578-000028) +39-0578-000029 / 0039-0578-000029 (0578-000029 / -0578-000029) +39-0578-000030 / 0039-0578-000030 (0578-000030 / -0578-000030) +39-0578-000031 / 0039-0578-000031 (0578-000031 / -0578-000031) +39-0578-000032 / 0039-0578-000032 (0578-000032 / -0578-000032) ...+39-0578-xxxxxx / 0039-0578-xxxxxx (0578-xxxxxx / -0578-xxxxxx) ...+39-0578-289995 / 0039-0578-289995 (0578-289995 / -0578-289995) +39-0578-289996 / 0039-0578-289996 (0578-289996 / -0578-289996) +39-0578-289997 / 0039-0578-289997 (0578-289997 / -0578-289997) +39-0578-289998 / 0039-0578-289998 (0578-289998 / -0578-289998) +39-0578-289999 / 0039-0578-289999 (0578-289999 / -0578-289999)