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I get an error message when booking online. What should I do?

When you see an error message when booking online, it is best to contact NS International Customer service:
  • on +31 30 - 2300023 (by phone or WhatsApp, daily between 7.00 and 23.00);
  • via chat (daily between 7.00 and 23.00), X (formerly Twitter) or Facebook.

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