Welcome to Diners Club Online Servicing

Have Questions? We're here to help


Calling from the UK 0345 862 2935 Lines are open Monday to Friday from 9am to 5.30pm (GMT)
Lost and Stolen Cards 0800 862 0935 We’re here to help 24 hours a day, 7 days a week
Calling Internationally +44 1244 470910


customerservices@dinersclub.co.uk Our team are available Monday to Friday from 9am to 5.30pm (GMT)


Write to us Diners Club International
PO Box 3776
Please quote your 10 digit account number whenever possible, when contacting us

Complaints Procedure

We value your feedback. Letting us know when you are happy, and when you are not happy with our service gives us the opportunity to put matters right for you and improve our service for everybody

View our complaints handling procedure