Customer Service

Canada

Customer Service

In Canada and the U.S.: 1-800-363-3333
Elsewhere, call collect: 1-514-881-3735
Toll-free fax: 1-855-803-7342

Diners Club
P.O. Box 5000 Station F
Toronto, Ontario
M4Y 2T1

Lost or stolen cards

In Canada and the U.S: 1-866-890-9552
Elsewhere, call collect: 1-514-881-3735

Corporate Program Administrators

Monday – Friday: 8a.m. – 8p.m. (ET)
1-800-663-1527

Email:
dinersclub.service@bmo.com

Corporate Sales Group

Contact Corporate Sales Group: bmo.tps@bmo.com

Club Rewards Customer Contact Centre

Monday – Sunday: 9a.m. – 9p.m. (ET)
Inquiries, redemption: 1-800-663-0798


Customer Service

In Canada and the U.S.: 1-800-363-3333
Elsewhere, call collect: 1-514-881-3735
Toll-free fax: 1-855-803-7342

Diners Club
P.O. Box 5000 Station F
Toronto, Ontario
M4Y 2T1


Lost or stolen cards

In Canada and the U.S: 1-866-890-9552
Elsewhere, call collect: 1-514-881-3735


Corporate Program Administrators

Monday – Friday: 8a.m. – 8p.m. (ET)
1-800-663-1527

Email:
dinersclub.service@bmo.com


Corporate Sales Group

Contact Corporate Sales Group: bmo.tps@bmo.com


Club Rewards Customer Contact Centre

Monday – Sunday: 9a.m. – 9p.m. (ET)
Inquiries, redemption: 1-800-663-0798