Area Code +39-031-(643...6439999) 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 : 643 Subscriber Number To : 6439999 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-(642...6429999) next › : +39-031-(644...6449999) Dialling Instructions For trunk calls: - 031 643 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 39 031 643 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 643 ~ 6439999 (Count: 6,439,357) Example: +39-031-0000643 / 0039-031-0000643 (031-0000643 / -031-0000643) +39-031-0000644 / 0039-031-0000644 (031-0000644 / -031-0000644) +39-031-0000645 / 0039-031-0000645 (031-0000645 / -031-0000645) +39-031-0000646 / 0039-031-0000646 (031-0000646 / -031-0000646) +39-031-0000647 / 0039-031-0000647 (031-0000647 / -031-0000647) ...+39-031-xxxxxxx / 0039-031-xxxxxxx (031-xxxxxxx / -031-xxxxxxx) ...+39-031-6439995 / 0039-031-6439995 (031-6439995 / -031-6439995) +39-031-6439996 / 0039-031-6439996 (031-6439996 / -031-6439996) +39-031-6439997 / 0039-031-6439997 (031-6439997 / -031-6439997) +39-031-6439998 / 0039-031-6439998 (031-6439998 / -031-6439998) +39-031-6439999 / 0039-031-6439999 (031-6439999 / -031-6439999)