Finland's numbering plan was reorganised in 1996, with the number of area codes being reduced, and the trunk code being changed from 9 to 0 . This meant that the area code for Helsinki also changed:
Helsinki
Web Site
Helsinki - Finland - Europe Phones
Helsinki - Finland - Europe Phones
Helsinki Europe
Helsinki 2024 Trial for two-year pre-primary education ends in Helsinki – watch the final seminar online Helsingin kaupunki
Proposal for an architectural programme for Helsinki published – next step is political decision-making Helsingin kaupunki
Finnish authorities detect sulphur-like smell in Helsinki region Reuters
Child dead and two wounded at school shooting near Helsinki Euronews