Customer Service

U.S.

Customer Service

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

Client Services
P.O. Box 6101
Carol Stream, IL 60197-6101

Lost or Stolen Card?

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

Client Services
P.O. Box 6101
Carol Stream, IL 60197-6101

Corporate Program Managers

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

Corporate Sales Group

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

Travel Management Companies

For inquiries and lead referrals please email bmo.tps@bmo.com or call 1-800-999-9093.

Bill Payment Address

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

Overnight Payment Address

Diners Club Corporate Cards:
BancTec c/o BMO Harris Bank
Attn: Lockbox 5732
2012 Corporate Lane, Suite 108
Naperville, IL 60563

Wire transfer payment information

Bank Name: BMO Harris Bank N.A.
Account #: 1982143000
Account Name: Diners Wire Payments

Address: 111 W. Monroe Chicago, IL 60603
ABA: 071000288
Swift code: HATRUS44
Payable to: Harris/Diners Club (include name/account#)
Cutoff time is 2pm CT

Club Rewards Customer Contact Centre

Monday – Sunday: 9a.m. – 9p.m. (ET)
Inquiries, redemption: 1-800-234-4034

Attn: Club Rewards Management
P.O. Box 6104
Chicago, IL 60197-6140

Insurance Inquiries and Claims

  • MasterRental Coverage (Primary Collision Damage Waiver Coverage)
  • Purchase Assurance and Extended Warranty
  • Common Carrier Accidental Death and Dismemberment Benefits
  • Hotel/motel Burglary Coverage
  • Travel Assistance Services
  • Travel Accident Insurance
  • Flight Delay Coverage
  • Baggage Delay Coverage
  • Lost or Damaged Luggage Coverage

MasterAssist

(US): 1-800-MC-ASSIST (1-800-622-7747)
(Outside the US): 636-722-7111 (collect); or en Español: 1-800-633-4466

Collections

Mon-Fri, 8 a.m. - 8 p.m. ET
Corporate: 1-844-377-8186

P.O. Box 6002 Carol Stream, IL 60197-6002

RoadAssist Roadside Services

(US): 1-877-764-3576
(Outside the US): 904-636-3647 (collect)

TTY Service for Hearing Impaired Customers

BMO accepts calls from relay service providers


Customer Service

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

Client Services
P.O. Box 6101
Carol Stream, IL 60197-6101


Lost or Stolen Card?

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

Client Services
P.O. Box 6101
Carol Stream, IL 60197-6101


Corporate Program Managers

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


Corporate Sales Group

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


Travel Management Companies

For inquiries and lead referrals please email bmo.tps@bmo.com or call 1-800-999-9093.


Bill Payment Address

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


Overnight Payment Address

Diners Club Corporate Cards:
BancTec c/o BMO Harris Bank
Attn: Lockbox 5732
2012 Corporate Lane, Suite 108
Naperville, IL 60563


Wire transfer payment information

Bank Name: BMO Harris Bank N.A.
Account #: 1982143000
Account Name: Diners Wire Payments

Address: 111 W. Monroe Chicago, IL 60603
ABA: 071000288
Swift code: HATRUS44
Payable to: Harris/Diners Club (include name/account#)
Cutoff time is 2pm CT


Club Rewards Customer Contact Centre

Monday – Sunday: 9a.m. – 9p.m. (ET)
Inquiries, redemption: 1-800-234-4034

Attn: Club Rewards Management
P.O. Box 6104
Chicago, IL 60197-6140


Insurance Inquiries and Claims

  • MasterRental Coverage (Primary Collision Damage Waiver Coverage)
  • Purchase Assurance and Extended Warranty
  • Common Carrier Accidental Death and Dismemberment Benefits
  • Hotel/motel Burglary Coverage
  • Travel Assistance Services
  • Travel Accident Insurance
  • Flight Delay Coverage
  • Baggage Delay Coverage
  • Lost or Damaged Luggage Coverage

MasterAssist

(US): 1-800-MC-ASSIST (1-800-622-7747)
(Outside the US): 636-722-7111 (collect); or en Español: 1-800-633-4466


Collections

Mon-Fri, 8 a.m. - 8 p.m. ET
Corporate: 1-844-377-8186

P.O. Box 6002 Carol Stream, IL 60197-6002


RoadAssist Roadside Services

(US): 1-877-764-3576
(Outside the US): 904-636-3647 (collect)


TTY Service for Hearing Impaired Customers

BMO accepts calls from relay service providers