Contact Us

Our Auckland based Customer Services Team has dedicated and knowledgeable staff who can assist you with any enquiry. We are available 24 hours a day, 7 days a week – contact us today by selecting the appropriate contact details below.

Diners Club Cardmembers

  • Freephone (Mon-Fri, 8am-6pm): 0800 346 377 for any account enquiries
  • Call collect from overseas: + 64 9 359 7796
  • To report a lost or stolen card: 0800 657 373
  • Request a Callback 

Diners Club Merchants

  • Freephone (Mon-Fri, 8am-6pm): 0800 280 544
  • Authorizations (24/7): 0800 657 373
  • Fax number: (09) 359 7798
  • Email: merchant.services@dinersclub.co.nz
  • Submit paper/manual transaction charges mail to:
  • PO Box 5845, Wellesley Street, Auckland

To learn more about our products

Diners Club New Zealand Head Office

  • Physical address
  • Level 1, 109 Carlton Gore Road, Newmarket, Auckland 1023
  • Postal address
  • PO Box 1533, Shortland Street, Auckland 1141
  • Phone
  • 0800 346 377 or Auckland 359 7796
  • Fax
  • (09) 359 7800