If your inquiry relates to your Professional Diners Club® account, please call 1 800.2DINERS
If you and/or your organization already have a Diners Club Corporate program and your inquiry pertains to your account, please call your Business Service Representative at 1 800 964.9444
If your organization has between $20 million and $1 billion in annual sales, please take a minute to complete and submit the information requested below. A representative will contact you promptly. To contact Corporate Sales, please call 1 800 999.9093.






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