Area Code +39-031-(437...4379999) located in Mariano Comense, Como (CO), more detail is as below. Place International Dialing Code : 39 International Prefix : 00 National Destination Code : 031 Subscriber Number From : 437 Subscriber Number To : 4379999 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 : BT 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 : Mariano Comense Timezone : Europe/Rome Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 6 Latitude : 45.7000 Longitude : 9.1800 ‹ previous : +39-031-(436...4369999) next › : +39-031-(438...4389999) Dialling Instructions For trunk calls: - 031 437 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 39 031 437 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 437 ~ 4379999 (Count: 4,379,563) Example: +39-031-0000437 / 0039-031-0000437 (031-0000437 / -031-0000437) +39-031-0000438 / 0039-031-0000438 (031-0000438 / -031-0000438) +39-031-0000439 / 0039-031-0000439 (031-0000439 / -031-0000439) +39-031-0000440 / 0039-031-0000440 (031-0000440 / -031-0000440) +39-031-0000441 / 0039-031-0000441 (031-0000441 / -031-0000441) ...+39-031-xxxxxxx / 0039-031-xxxxxxx (031-xxxxxxx / -031-xxxxxxx) ...+39-031-4379995 / 0039-031-4379995 (031-4379995 / -031-4379995) +39-031-4379996 / 0039-031-4379996 (031-4379996 / -031-4379996) +39-031-4379997 / 0039-031-4379997 (031-4379997 / -031-4379997) +39-031-4379998 / 0039-031-4379998 (031-4379998 / -031-4379998) +39-031-4379999 / 0039-031-4379999 (031-4379999 / -031-4379999)