Phone:

1-800-2-DINERS
1-800-234-6377

Email:

Click here to send an email

Additional Diner’s Club Phone Numbers

1-866-889-0889 (TTY Service for Hearing Impaired Customers)
1-877-263-5018 (Internet Help Desk)
1-800-643-7772 (Information Product Help Desk)
1-800-234-4034 (Inquiries, redemptions)
1-877-764-3576 (MasterAssist)
1-877-764-3576 (Primary Collision Damage Waiver Coverage)
1-877-764-3576 (Purchase Assurance and Extended Warranty – Inquiries and Claims)
1-800-964-9444 (Business Service Representative)
1-800-999-9093 (Corporate Sales Group)

Addresses

Professional Cardmembers:
P.O. Box 6101
Carol Stream, IL 60197-6101
USA

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Corporate Cardmembers:
Client Services
P.O. Box 6138
Carol Stream, IL 60197-6138
USA

Payment address:
Diners Club Professional
P.O. Box 6012
Carol Stream, IL 60197-6012
USA

Diners Club Commercial
P.O. Box 5732
Carol Stream, IL 60197-5732
USA

Overnight payment address:
BancTec Inc.
2100 A Corporate Drive
Addison, IL 60101
USA

Attention:
P.O. Box 5732 – Commercial or
P.O. Box 6012 – Professional

Club Rewards Customer Contact Centre:
Attn: Club Rewards Management
P.O. Box 6140
Chicago, IL 60197-6140
USA

Professional Card Collections:
P.O. Box 6002
Carol Stream, IL 60197-6002
USA

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