Area Code +39-0166-(66...669999) 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 : 66 Subscriber Number To : 669999 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 : NewVAS 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-(65...659999) next › : +39-0166-(67...679999) Dialling Instructions For trunk calls: - 0166 66 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 39 0166 66 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 66 ~ 669999 (Count: 669,934) Example: +39-0166-000066 / 0039-0166-000066 (0166-000066 / -0166-000066) +39-0166-000067 / 0039-0166-000067 (0166-000067 / -0166-000067) +39-0166-000068 / 0039-0166-000068 (0166-000068 / -0166-000068) +39-0166-000069 / 0039-0166-000069 (0166-000069 / -0166-000069) +39-0166-000070 / 0039-0166-000070 (0166-000070 / -0166-000070) ...+39-0166-xxxxxx / 0039-0166-xxxxxx (0166-xxxxxx / -0166-xxxxxx) ...+39-0166-669995 / 0039-0166-669995 (0166-669995 / -0166-669995) +39-0166-669996 / 0039-0166-669996 (0166-669996 / -0166-669996) +39-0166-669997 / 0039-0166-669997 (0166-669997 / -0166-669997) +39-0166-669998 / 0039-0166-669998 (0166-669998 / -0166-669998) +39-0166-669999 / 0039-0166-669999 (0166-669999 / -0166-669999)