Report Online Fraud

If you receive a suspicious email from a member of BMO Financial Group, do not reply or click on any links. Instead, report the suspicious email to and contact us immediately.

BMO Contact Details
BMO Bank of Montreal Online Banking: 1-877-225-5266 / 1-877-CALL-BMO
BMO InvestorLine: 1-888-776-6886
BMO Nesbitt Burns: 1-877-873-7664
BMO Mutual Funds: 1-800- 665-7700
BMO Harris Private Banking: 1-800-844-6442
Harris Online: 1-888-340-2265
BMO MasterCard: 1-800-263-2263