FAQs on our services

Here are the questions our Cardholders and partners ask most frequently.

Questions and answers on our online services

If the FAQs have not answered your query, please call our Customer Service Centre on +31 (0)20 654 55 00. Alternatively, send us your query by e-mail to diners.customerserviceciti.com

Please remember to quote your Diners Club account number in all correspondence.