Area Code +39-0166-(51...519999) located in St. Vincent, Aosta (AO), more detail is as below. Place International Dialing Code : 39 International Prefix : 00 National Destination Code : 0166 Subscriber Number From : 51 Subscriber Number To : 519999 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 : AO Region Name : Aosta City : St. Vincent Timezone : Europe/Rome Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 6 Latitude : 45.7500 Longitude : 7.6500 ‹ previous : +39-0166-(50...509999) next › : +39-0166-(52...529999) Dialling Instructions For trunk calls: - 0166 51 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 39 0166 51 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 51 ~ 519999 (Count: 519,949) Example: +39-0166-000051 / 0039-0166-000051 (0166-000051 / -0166-000051) +39-0166-000052 / 0039-0166-000052 (0166-000052 / -0166-000052) +39-0166-000053 / 0039-0166-000053 (0166-000053 / -0166-000053) +39-0166-000054 / 0039-0166-000054 (0166-000054 / -0166-000054) +39-0166-000055 / 0039-0166-000055 (0166-000055 / -0166-000055) ...+39-0166-xxxxxx / 0039-0166-xxxxxx (0166-xxxxxx / -0166-xxxxxx) ...+39-0166-519995 / 0039-0166-519995 (0166-519995 / -0166-519995) +39-0166-519996 / 0039-0166-519996 (0166-519996 / -0166-519996) +39-0166-519997 / 0039-0166-519997 (0166-519997 / -0166-519997) +39-0166-519998 / 0039-0166-519998 (0166-519998 / -0166-519998) +39-0166-519999 / 0039-0166-519999 (0166-519999 / -0166-519999)