Transaction Disputes at United Bank of Union

If you should have any issues relating to fraudulent or unauthorized transactions with your account at United Bank of Union, please submit a dispute form. 
A fraudulent transaction is a transaction that you did not attempt or sign-up for a product or service. An unauthorized transaction is a transaction that you did attempt but you have not gotten your product or service or you cancelled and you were still charged. 
Forms can be mailed, faxed, or dropped off at any United Bank of Union location:
  • Mailing Address : is United Bank of Union, PO Box 500, Union MO 63084
  • Fax number : (636)-583-0932. 
For questions or further assistance, please contact an Operations Specialist at (636)-583-2555.