BMO Harris

800 Number for BMO Harris

How to call BMO Harris: for customer service, dial the toll free number below for account questions. When you call, you will be asked the questions below.

How to Speak to a Real Person

Dial 1-888-340-2265 and then enter you SSN as requested. Then press 0 and you will be transferred to a human agent.

Customer Service / Support

1-888-340-2265 (24/hrs)

  • Welcome to BMO Harris bank.
  • Para Espanol, prime ocho.
  • For personal banking, press 1.
    • For account and loan information, to transfer funds or for other account related matters, press 1.
      • Please note all 1098 and 1099 tax forms were postmarked and mailed on February 2nd. Based on IRS reporting roles BMO Harris Does not report interest earned is the total for all interest bearing checking savings and CD accounts is less than $10 or loan interest paid is less than 600.
      • Please enter your account number or Social Security number followed by the pound key.
    • To open a new account or to apply for a mortgage loan or credit card, press 2.
    • To report a lost or stolen ATM or debit card, and for all TMM for debit care related matters, press 3.
    • For all online and mobile banking matters, press 4.
    • For other matters including personal access code, pack or telephone banking pin changes for this automated system, press 5.
    • To speak with a banker press 0.
  • For commercial or business banking, press 2.