BMO Bank’s US customer service number is 1-888-340-2265. Hours are Monday–Friday 7:00 AM–9:00 PM CT and Saturday–Sunday 8:00 AM–6:00 PM CT. BMO is one of the largest banks in North America and operates branches primarily in the Midwest and along the coasts.
BMO Bank Customer Service Number
| Service | Phone Number | Hours (CT) |
|---|---|---|
| General banking | 1-888-340-2265 | M–F 7 AM–9 PM, Sa–Su 8 AM–6 PM |
For specialized department numbers, see BMO’s contact page.
How to Reach a Live Person at BMO Bank
Call 1-888-340-2265 during support hours and follow the prompts. Have your account number and Social Security number ready for identity verification.
What to Have Ready Before You Call
- Account or card number
- Last four digits of your Social Security number
- Recent transaction details (if disputing a charge)
Use the App Instead of Calling
The BMO mobile app handles many common requests:
- Lock or unlock a card
- Check balances and make transfers
- Chat with support or use the BMO virtual assistant
For more on BMO accounts, see the BMO Bank guide.
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