Finland is telephone country code +358, and Helsinki is Finnish area code 09, which becomes +358 9 in international format.
(The plus sign means "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but North America (USA, Canada, etc.) uses 011, Japan uses 010, Australia uses 0011, and many other countries use different prefixes.)
FI on internet adresses.
OH in amateur radio calls.
Formerly SF was used on automobiles, but currently FIN is used.
The country code and area code of Keski-Suomi, Finland is 358, (0)14.
The country code and area code of Kuopio, Finland is 358, (0)17.
The country code and area code of Oulu, Finland is 358, (0)8.
it is FI for Finland
Dial ## * Your area code ** # the number you are trying to reach
The country code and area code of Vaasa, Finland is 358, (0)6.
The country code for Finland is +358, and mobiles begin with +358 4 or +358 5.
The country code and area code of Plateaux, Togo is 228, 4.
The country code and area code of Delsbo, Sweden is 46, (0)653.
The country code and area code of HÌ_me, Finland is 358, (0)3.
The country code and area code of Kymi, Finland is 358, (0)5.
The country code and area code of Lappi, Finland is 358, (0)16.
The country code and area code of Maarianhamina, Finland is 358, (0)18.
The country code and area code of Mikkeli, Finland is 358, (0)15.
The country code and area code of Uusimaa I, Finland is 358, (0)9.
The country code and area code of Pohjois-Karjala, Finland is 358, (0)13.
The country code and area code of Uusimaa II, Finland is 358, (0)19.
The country code and area code of Turku ja Pori, Finland is 358, (0)2.
Dial ## * Your area code ** # the number you are trying to reach
The country code and area code of Vaasa, Finland is 358, (0)6.
Country code +358 is Finland.