Area Code +358-9-(5420...5429999999) 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 : 5420 Subscriber Number To : 5429999999 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-(5410...5419999999) next › : +358-9-(5430...5439999999) Dialling Instructions For trunk calls: 0 9 5420 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 358 9 5420 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5420 ~ 5429999999 (Count: 5,429,994,580) Example: +358-9-0000005420 / 00358-9-0000005420 (09-0000005420 / 0-9-0000005420) +358-9-0000005421 / 00358-9-0000005421 (09-0000005421 / 0-9-0000005421) +358-9-0000005422 / 00358-9-0000005422 (09-0000005422 / 0-9-0000005422) +358-9-0000005423 / 00358-9-0000005423 (09-0000005423 / 0-9-0000005423) +358-9-0000005424 / 00358-9-0000005424 (09-0000005424 / 0-9-0000005424) ...+358-9-xxxxxxxxxx / 00358-9-xxxxxxxxxx (09-xxxxxxxxxx / 0-9-xxxxxxxxxx) ...+358-9-5429999995 / 00358-9-5429999995 (09-5429999995 / 0-9-5429999995) +358-9-5429999996 / 00358-9-5429999996 (09-5429999996 / 0-9-5429999996) +358-9-5429999997 / 00358-9-5429999997 (09-5429999997 / 0-9-5429999997) +358-9-5429999998 / 00358-9-5429999998 (09-5429999998 / 0-9-5429999998) +358-9-5429999999 / 00358-9-5429999999 (09-5429999999 / 0-9-5429999999)