Area Code +358-9-(5780...5789999999) located in Uusimaa Helsinki, more detail is as below. Place International Dialing Code : 358 International Prefix : 00 National Prefix : 0 National Destination Code : 9 Subscriber Number From : 5780 Subscriber Number To : 5789999999 National Destination Code Length : 1 Uses National Destination Code : Yes National Significant Number Length : 11 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 : Uusimaa Helsinki Timezone : Europe/Helsinki Coordinated Universal Time : +02:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 5 Latitude : 60.1700 Longitude : 24.9400 ‹ previous : +358-9-(5770...5779999999) next › : +358-9-(5790...5799999999) Dialling Instructions For trunk calls: 0 9 5780 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 358 9 5780 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5780 ~ 5789999999 (Count: 5,789,994,220) Example: +358-9-0000005780 / 00358-9-0000005780 (09-0000005780 / 0-9-0000005780) +358-9-0000005781 / 00358-9-0000005781 (09-0000005781 / 0-9-0000005781) +358-9-0000005782 / 00358-9-0000005782 (09-0000005782 / 0-9-0000005782) +358-9-0000005783 / 00358-9-0000005783 (09-0000005783 / 0-9-0000005783) +358-9-0000005784 / 00358-9-0000005784 (09-0000005784 / 0-9-0000005784) ...+358-9-xxxxxxxxxx / 00358-9-xxxxxxxxxx (09-xxxxxxxxxx / 0-9-xxxxxxxxxx) ...+358-9-5789999995 / 00358-9-5789999995 (09-5789999995 / 0-9-5789999995) +358-9-5789999996 / 00358-9-5789999996 (09-5789999996 / 0-9-5789999996) +358-9-5789999997 / 00358-9-5789999997 (09-5789999997 / 0-9-5789999997) +358-9-5789999998 / 00358-9-5789999998 (09-5789999998 / 0-9-5789999998) +358-9-5789999999 / 00358-9-5789999999 (09-5789999999 / 0-9-5789999999)