Contact United Bank of Union


To protect our customer’s private information, UBU recommends to not email important financial or personal information such as account numbers, social security numbers, debit card numbers, internet passwords, etc. United Bank of Union cannot guarantee the security of standard email communication.

UBU's Customer Contact Center
Available at 636-583-2555 or by clicking the message icon at the bottom right hand corner of the screen.
Open Monday through Friday from 8:30 AM - 6 PM and Saturdays from 8:30 AM - 12 PM. 
 
For assistance after hours, customers can contact us via our Online Contact Inquiry Form below. 

Online Inquiry Form

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