BMO Bank N.A. (BMO Harris) Routing Number, Wire ABA & SWIFT Code (2026)
Primary BMO Bank N.A. (BMO Harris) Routing Number (ACH / Direct Deposit)
071000288
Domestic Wire Routing071000288
International SWIFT / BICHATRUS44
HeadquartersChicago, IL
U.S. Branches1,000
State-by-State Routing Numbers for BMO Bank N.A. (BMO Harris)
Regional ABA Numbers: IL/WI/IN: 071000288 · CA/West (former Bank of the West): 121100782 · AZ: 122105980
When setting up payroll direct deposit, IRS tax refunds, or ACH bill payments with BMO Bank N.A. (BMO Harris), always verify the 9-digit routing number printed on the bottom-left corner of your checks or inside your mobile banking app.