Home Customer service Office Office Office can help you with course registrations, payment and with course cancellations. Office also provides general information about the courses. Customer serviceOffice Study Guidance Caretaker Give Feedback Contact details Office is open Mon-Wed 10-12 and 14-16. Closed Thu-Fri. 09 41 500 300 (It is not possible to register by phone) toimisto@helao.fi Runeberginkatu 22–24, 00100 Helsinki. Office is located on the first floor. You can send an encrypted mail here if you send personal information or bank account details for refund. Send an encrypted email