Callsign blocks:- OF-OJ. ISO 3166 code:- FIN.EU Timezone:- (daylight savings time applies) Amateur Allocations are as follows:- OF0 = Aaland Island OH0 = Aaland Island OJ0 = Market Reef OH1 = Turku & Pori OH2 = Uusimaa OH3 = Hame OH4 = Mikkeli OH5 = Kymi OH6 = Vaasa & Keski-Suomi OH7 = Kuopio & Pohiois-Kaviala OH8 = Oulu OH9 = Lappi OJ9 = Antarctic bases (ATA.AN)