The Diners Club Customer Service, Merchant Support and Authorisation Teams are available 24 hours a day, 365 days a year for your convenience. Please have your Diners Club Card ready when you call.
Cards
Phone - Personal and Business
General Australia 1300 360 060
General International +61 3 8643 2210
Account Payment 1300 360 700
Account Authorisation 1800 331 112
Phone - Corporate
General Australia 1300 360 180
General International +61 3 8643 2210
Account Authorisation 1800 331 112
Fax
General 1300 360 390
Mail
Diners Club Australia
GPO BOX 40
Sydney NSW 2001
Merchant
Phone
General Enquiries 1300 360 060
General International +61 3 8643 2210
Authorisation of Charges 1800 331 112
Fax
General 1300 360 390
Mail
Diners Club Australia
GPO BOX 40
Sydney NSW 2001