General enquiries

We are at your service. Contact us.

Diners Club UK
PO Box 66351
London
E14 1GQ

Our Customer Service Centre is open Monday to Friday between 8am & 5pm:

calling from the UK: 0870 1900 011
calling from Ireland: 0818 300026
international: +44 1 252 513 500
Type Talk (18001) 0870 909 4405 (UK only)

Fax: 0870 197 4536

You can also send us your queries and comments by e-mail to   citicards.dinerschqueriesciti.com

Remember to quote your Diners Club account number in all correspondence.