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Suspicious/Unauthorized Transactions — Lost or Stolen Checks 

Quick action is essential if you have been the victim of fraud. 

Contact us IMMEDIATELY using the following numbers if you think one of your Tri City National Bank accounts or services has been compromised.  Have your account information and details about the suspected fraud available when you call. 

Suspicious or unauthorized transactions on your account(s): 

  • 414-874-2489 (local)
  • 888-874-2489 (toll free) 

Press 0 (zero) to speak to a customer service representative during the following hours: 

  • Mon–Fri: 8:30am CST – 6:00pm CST
  • Sat: 8:30am CST – 2:00pm CST

You can also call your local branch during our normal business hours to speak with a customer service representative. Find a branch near you. 

Suspicious Email, Phone Call, Text Message, or Letter 

If you did NOT respond: 

Immediately forward suspicious emails and information on suspicious phone calls, text messages or letters that purport to come from Tri City National Bank to: [email protected] for review.

If you DID respond:

Immediately call us or visit a branch location near you:

  • 414-874-2489 (local)
  • 800-874-2489 (toll free) 

Report Identity Theft 

Have you given out information to someone who may use it for fraud? Do you believe you have been the victim of identity theft?

Actions to take:

Visit the Federal Trade Commission website at and follow the steps to repair your identity. The immediate steps are summarized below: 

  • Place an initial fraud alert
  • Order your credit reports
  • Create an Identity Theft Report

Other Contact Information: 

Social Security Administration Fraud Hotline: 800-269-0271

Department of Motor Vehicles (DMV): 

Passport Office: 877-487-2778 or

US Postal Inspection Service (if mail theft is suspected): 877-876-2355 or

Internet Crime Complaint Center: