Area Code +39-0578-(23...239999) 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 : 23 Subscriber Number To : 239999 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 : Telecom 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-(22...229999) next › : +39-0578-(24...249999) Dialling Instructions For trunk calls: - 0578 23 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 39 0578 23 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 23 ~ 239999 (Count: 239,977) Example: +39-0578-000023 / 0039-0578-000023 (0578-000023 / -0578-000023) +39-0578-000024 / 0039-0578-000024 (0578-000024 / -0578-000024) +39-0578-000025 / 0039-0578-000025 (0578-000025 / -0578-000025) +39-0578-000026 / 0039-0578-000026 (0578-000026 / -0578-000026) +39-0578-000027 / 0039-0578-000027 (0578-000027 / -0578-000027) ...+39-0578-xxxxxx / 0039-0578-xxxxxx (0578-xxxxxx / -0578-xxxxxx) ...+39-0578-239995 / 0039-0578-239995 (0578-239995 / -0578-239995) +39-0578-239996 / 0039-0578-239996 (0578-239996 / -0578-239996) +39-0578-239997 / 0039-0578-239997 (0578-239997 / -0578-239997) +39-0578-239998 / 0039-0578-239998 (0578-239998 / -0578-239998) +39-0578-239999 / 0039-0578-239999 (0578-239999 / -0578-239999)