Hi! On the 14th of Januart I used for the first time the NS Flex card from Zaandam to Oostzaan and I did not know that I should have checked out. I have tried to solved it in my journey history but there is no option to contact with the customer service department. How should I do it? Thank you!
Beste antwoord door Tomas NSBekijk origineel
I highly recommend contacting customer service using Twitter, Facebook, chat or phone. You can find more information here.