Area Code +39-031-(830...8309999) located in Asso, Como (CO), more detail is as below. Place International Dialing Code : 39 International Prefix : 00 National Destination Code : 031 Subscriber Number From : 830 Subscriber Number To : 8309999 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 : Asso Timezone : Europe/Rome Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 6 Latitude : 45.8600 Longitude : 9.2700 ‹ previous : +39-031-(829...8299999) next › : +39-031-(831...8319999) Dialling Instructions For trunk calls: - 031 830 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 39 031 830 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 830 ~ 8309999 (Count: 8,309,170) Example: +39-031-0000830 / 0039-031-0000830 (031-0000830 / -031-0000830) +39-031-0000831 / 0039-031-0000831 (031-0000831 / -031-0000831) +39-031-0000832 / 0039-031-0000832 (031-0000832 / -031-0000832) +39-031-0000833 / 0039-031-0000833 (031-0000833 / -031-0000833) +39-031-0000834 / 0039-031-0000834 (031-0000834 / -031-0000834) ...+39-031-xxxxxxx / 0039-031-xxxxxxx (031-xxxxxxx / -031-xxxxxxx) ...+39-031-8309995 / 0039-031-8309995 (031-8309995 / -031-8309995) +39-031-8309996 / 0039-031-8309996 (031-8309996 / -031-8309996) +39-031-8309997 / 0039-031-8309997 (031-8309997 / -031-8309997) +39-031-8309998 / 0039-031-8309998 (031-8309998 / -031-8309998) +39-031-8309999 / 0039-031-8309999 (031-8309999 / -031-8309999)