Impostor scam phone calls has been made in OK Perintä’s name. We remind you that we never call from an unknown number. If you receive a suspicious call, you can check the matter in our online service or call our customer service: 030 10 5620.

Contact information

Have you received a letter from us? Please get in touch with our customer service.

Phone service

Customer service for consumers (pvm/mpm): 030 10 5620

Customer service for businesses (8,35 cents/call + 16,69 cents/min): 030 603 5800

Switchboard: 030 603 5600
Fax: 030 603 5639

OK Laskutuspalvelu

030 603 5820

Online services

My OK service for debtors

OK Online service for creditors


Ask for a quote


Billing addresses

E-invoice address (EDI-ID): 003708737250
Operator (Mediator): PostNord Strålfors Oy
Mediator ID: 003701150617

Paper invoices:
OK Perintä Oy
PL 442
65101 Vaasa


To get in touch with our customer service, please use the relevant online services or call us directly at 030 603 5600. Meetings in person are organized only in Vaasa and must be booked in advance.

Vaasa, Finland
Tiilitehtaankatu 7 A 65100 Vaasa

Helsinki, Finland
Televisiokatu 4 A 00240 Helsinki

Tampere, Finland
Aleksanterinkatu 23 A 15 33100 Tampere

Tallinn, Estonia
OK Incure OÜ Mustamäe tee 16 10617 Tallinn

Have you received a letter from us?

In the My OK service you can easily and securely manage your debt.

Open My OK