Area Code +39-031-(817...8179999) 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 : 817 Subscriber Number To : 8179999 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-(816...8169999) next › : +39-031-(818...8189999) Dialling Instructions For trunk calls: - 031 817 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 39 031 817 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 817 ~ 8179999 (Count: 8,179,183) Example: +39-031-0000817 / 0039-031-0000817 (031-0000817 / -031-0000817) +39-031-0000818 / 0039-031-0000818 (031-0000818 / -031-0000818) +39-031-0000819 / 0039-031-0000819 (031-0000819 / -031-0000819) +39-031-0000820 / 0039-031-0000820 (031-0000820 / -031-0000820) +39-031-0000821 / 0039-031-0000821 (031-0000821 / -031-0000821) ...+39-031-xxxxxxx / 0039-031-xxxxxxx (031-xxxxxxx / -031-xxxxxxx) ...+39-031-8179995 / 0039-031-8179995 (031-8179995 / -031-8179995) +39-031-8179996 / 0039-031-8179996 (031-8179996 / -031-8179996) +39-031-8179997 / 0039-031-8179997 (031-8179997 / -031-8179997) +39-031-8179998 / 0039-031-8179998 (031-8179998 / -031-8179998) +39-031-8179999 / 0039-031-8179999 (031-8179999 / -031-8179999)