Area Code +39-031-(657...6579999) located in Erba, Como (CO), more detail is as below. Place International Dialing Code : 39 International Prefix : 00 National Destination Code : 031 Subscriber Number From : 657 Subscriber Number To : 6579999 National Destination Code Length : 3 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 : CO Region Name : Como City : Erba Timezone : Europe/Rome Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 6 Latitude : 45.8100 Longitude : 9.2200 ‹ previous : +39-031-(656...6569999) next › : +39-031-(658...6589999) Dialling Instructions For trunk calls: - 031 657 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 39 031 657 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 657 ~ 6579999 (Count: 6,579,343) Example: +39-031-0000657 / 0039-031-0000657 (031-0000657 / -031-0000657) +39-031-0000658 / 0039-031-0000658 (031-0000658 / -031-0000658) +39-031-0000659 / 0039-031-0000659 (031-0000659 / -031-0000659) +39-031-0000660 / 0039-031-0000660 (031-0000660 / -031-0000660) +39-031-0000661 / 0039-031-0000661 (031-0000661 / -031-0000661) ...+39-031-xxxxxxx / 0039-031-xxxxxxx (031-xxxxxxx / -031-xxxxxxx) ...+39-031-6579995 / 0039-031-6579995 (031-6579995 / -031-6579995) +39-031-6579996 / 0039-031-6579996 (031-6579996 / -031-6579996) +39-031-6579997 / 0039-031-6579997 (031-6579997 / -031-6579997) +39-031-6579998 / 0039-031-6579998 (031-6579998 / -031-6579998) +39-031-6579999 / 0039-031-6579999 (031-6579999 / -031-6579999)