Contact Us

At Diners Club our Customer Service Representatives are available to take your calls 24 hours a day, seven days a week. We understand that when you operate a business your hours are not always 9.00am to 5.00pm.

If you have any account or processing queries, call one of our Customer Service Representatives on 1300 360 500.

For authorisation of charges, please call 1800 331 112.

If calling from outside Australia, please call reverse charges on (61) (3) 8643 2210

You can also send us a fax on (61) (3) 8643 2802.