United Bank of Union Business Debit Cards


United Bank of Union is committed to helping business customers grow and improve. A UBU business debt card can streamline and and improve purchasing for business customers. Business owners and signers can receive instant issue MasterCard chip debit cards available at each branch location. Customers walk out of the bank with their debit card ready to use for purchases.

Debit Card Support Line Available 24/7

The UBU Debit Card Contact Center now offers 24/7 support to United Bank of Union Debit Card holders. While our Customer Call Center closes at the end of each business day, the Card Contact Center is always available! This line is secure and encrypted.

The UBU Card Contact Center service can help customers to: 

  • Active debit cards
  • Confirm Digital Wallet Tokenization codes (such as with ApplePay)
  • Establish travel exceptions
  • Receive CardValet support
  • Request a replacement card (to be mailed to their address or picked up in a branch)
  • Reset their PIN
Call 1-833-604-0710 


Debit Card Issues

If your debit card is lost or you believe it may have been stolen, please contact us immediately at (636)-583-2555 to close or inactivate the card. The 24/7 Debit Card Support Line can also provide assistance. 

Do you have fraudulent or unauthorized activity on your account? Visit the Disputes page or call (636) 583-2555 to speak with an Operations Specialist. 

If you have a United Bank of Union MasterCard debit card, you are eligible for for MasterCard's ID Theft Protection. Click here fore more helpful tools on how to keep your identity safe.