Customer Support

The Diners Club Help Desk can be accessed worldwide at the following phone number.
+1(866) 284-5105

Additionally the Help Desk can be accessed in North America at:

To contact the Help Desk by email please use the following address:
(Please note, the Help Desk will respond to your email inquiry within 24 business hours.)

Hours of Availability

Diners Club Help Desk is available 9:00 AM to 9:00 PM (EST) Monday through Friday with closures on US legal holidays.

System Availability

The Global Vision web site is available twenty-four hours a day, with the exception of any scheduled maintenance.

Additional Phone Numbers

Help Desk can be accessed at the following toll-free phone numbers:

Country Phone Number
Canada+1 800 951 0474
Italy00 800 3463 7743
Switzerland00 800 3463 7743
United States+1 800 951 0474
Contacting the Help Desk by email

Help Desk can be reached by email at the following address: