General Enquiries
We are at your service. Contact us.
Diners Club® Deutschland GmbH
Postfach 10 04 06
78404 Konstanz
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 with the prepared form or via email to customerservice@dinersclub.de.
