Area Code +39-0577-(179...179999) located in Siena, Siena (SI), more detail is as below. Place International Dialing Code : 39 International Prefix : 00 National Destination Code : 0577 Subscriber Number From : 179 Subscriber Number To : 179999 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 : Consorzio TERRECABLATE 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 : Siena Timezone : Europe/Rome Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 6 Latitude : 43.3200 Longitude : 11.3300 ‹ previous : +39-0577-(178...178999) next › : +39-0577-(180...180999) Dialling Instructions For trunk calls: - 0577 179 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 39 0577 179 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 179 ~ 179999 (Count: 179,821) Example: +39-0577-000179 / 0039-0577-000179 (0577-000179 / -0577-000179) +39-0577-000180 / 0039-0577-000180 (0577-000180 / -0577-000180) +39-0577-000181 / 0039-0577-000181 (0577-000181 / -0577-000181) +39-0577-000182 / 0039-0577-000182 (0577-000182 / -0577-000182) +39-0577-000183 / 0039-0577-000183 (0577-000183 / -0577-000183) ...+39-0577-xxxxxx / 0039-0577-xxxxxx (0577-xxxxxx / -0577-xxxxxx) ...+39-0577-179995 / 0039-0577-179995 (0577-179995 / -0577-179995) +39-0577-179996 / 0039-0577-179996 (0577-179996 / -0577-179996) +39-0577-179997 / 0039-0577-179997 (0577-179997 / -0577-179997) +39-0577-179998 / 0039-0577-179998 (0577-179998 / -0577-179998) +39-0577-179999 / 0039-0577-179999 (0577-179999 / -0577-179999)