Contact for customers

Concierge Customer Service

Telephone +49 (0)7531 3633 111
Fax +49 (0)7531 3633 122

Monday to Thursday 08:00 – 17:30, Friday 08:00 – 17:00.

You can also send us your queries and comments electronically.

Loss of card

Please contact us immediately in case of loss or theft of your Diners Club Card. We will provide you with a replacement card wherever you are in the world – and of course free of charge!

Contact our card-blocking service (24 hours a day, 365 days a year): Telephone +49 (0)7531 3633 111