If you are a credit card customer of BMO Harris Bank, below you’ll find all of the information you need to pay your credit card bill online or by mail, or to get customer service assistance:
- If you’d like to pay your BMO Harris Bank credit card bill online, log in to your account here and make a payment.
If you prefer to pay by mail, send your payment to (you may want to call to confirm this address):
BMO Harris Bank Credit Cards
P.O. Box 3052
Milwaukee, Wisconsin 53201
If you are having trouble making a payment, or have other issues and need to talk to someone, the BMO Harris credit card customer service phone number is 1-855-825-9237.