Area Code +39-031-(631...6319999) 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 : 631 Subscriber Number To : 6319999 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-(630...6309999) next › : +39-031-(632...6329999) Dialling Instructions For trunk calls: - 031 631 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 39 031 631 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 631 ~ 6319999 (Count: 6,319,369) Example: +39-031-0000631 / 0039-031-0000631 (031-0000631 / -031-0000631) +39-031-0000632 / 0039-031-0000632 (031-0000632 / -031-0000632) +39-031-0000633 / 0039-031-0000633 (031-0000633 / -031-0000633) +39-031-0000634 / 0039-031-0000634 (031-0000634 / -031-0000634) +39-031-0000635 / 0039-031-0000635 (031-0000635 / -031-0000635) ...+39-031-xxxxxxx / 0039-031-xxxxxxx (031-xxxxxxx / -031-xxxxxxx) ...+39-031-6319995 / 0039-031-6319995 (031-6319995 / -031-6319995) +39-031-6319996 / 0039-031-6319996 (031-6319996 / -031-6319996) +39-031-6319997 / 0039-031-6319997 (031-6319997 / -031-6319997) +39-031-6319998 / 0039-031-6319998 (031-6319998 / -031-6319998) +39-031-6319999 / 0039-031-6319999 (031-6319999 / -031-6319999)