Billing disputes and inquiries

Remember to keep your Diners Club^® charge receipts to help you identify the items on your monthly billing statements, should you encounter a discrepancy between a receipt and your statement or become aware of a charge that you cannot identify. To help resolve any concerns, please call Diners Club Customer Service toll-free in Canada and the U.S. at 1 800 363 3333. Elsewhere, call collect at (416) 369 6313.