Area Code +358-13-(3770...3779999999) located in Pohjois-Karjala, more detail is as below. Place International Dialing Code : 358 International Prefix : 00 National Prefix : 0 National Destination Code : 13 Subscriber Number From : 3770 Subscriber Number To : 3779999999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 12 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : TeliaSonera Finland Oyj Click here to buy Finland Area Code Database Other Information Language Code : fi (Finnish) Country Number : 246 (Finland) Country Code : FI (Finland) Region Name : Pohjois-Karjala Timezone : Europe/Helsinki Coordinated Universal Time : +02:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 6 Latitude : 62.8100 Longitude : 30.1600 ‹ previous : +358-13-(3760...3769999999) next › : +358-13-(3780...3789999999) Dialling Instructions For trunk calls: 0 13 3770 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 358 13 3770 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3770 ~ 3779999999 (Count: 3,779,996,230) Example: +358-13-0000003770 / 00358-13-0000003770 (013-0000003770 / 0-13-0000003770) +358-13-0000003771 / 00358-13-0000003771 (013-0000003771 / 0-13-0000003771) +358-13-0000003772 / 00358-13-0000003772 (013-0000003772 / 0-13-0000003772) +358-13-0000003773 / 00358-13-0000003773 (013-0000003773 / 0-13-0000003773) +358-13-0000003774 / 00358-13-0000003774 (013-0000003774 / 0-13-0000003774) ...+358-13-xxxxxxxxxx / 00358-13-xxxxxxxxxx (013-xxxxxxxxxx / 0-13-xxxxxxxxxx) ...+358-13-3779999995 / 00358-13-3779999995 (013-3779999995 / 0-13-3779999995) +358-13-3779999996 / 00358-13-3779999996 (013-3779999996 / 0-13-3779999996) +358-13-3779999997 / 00358-13-3779999997 (013-3779999997 / 0-13-3779999997) +358-13-3779999998 / 00358-13-3779999998 (013-3779999998 / 0-13-3779999998) +358-13-3779999999 / 00358-13-3779999999 (013-3779999999 / 0-13-3779999999)