Customer Service

U.S.

Customer Service

1-800-2-DINERS (1-800-234-6377)
Outside the US: 1-514-881-3735

Lost or Stolen Card?

1-800-2-DINERS (1-800-234-6377)
Outside the US: 1-514-881-3735

Corporate Program Administrators

Monday – Friday: 8a.m. – 8p.m. (ET)
Corporate Client Services: 1-800-964-9444

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: 1-800-234-4034


Customer Service

1-800-2-DINERS (1-800-234-6377)
Outside the US: 1-514-881-3735


Lost or Stolen Card?

1-800-2-DINERS (1-800-234-6377)
Outside the US: 1-514-881-3735


Corporate Program Administrators

Monday – Friday: 8a.m. – 8p.m. (ET)
Corporate Client Services: 1-800-964-9444

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: 1-800-234-4034