Lost or Stolen Card
What should I do if my Mastercard® Debit or Credit Card is lost or stolen?
Contact the Member Access Center at 281-479-3441. Hours of operation are Monday through Friday from 8 AM - 7 PM and Saturday from 9 AM to 5 PM.
If you need help with a lost or stolen card outside of these hours, please call 800-449-7728.
You can also block your Mastercard® Debit card by using the ACUTX App. Simply sign in, access the Menu by clicking the lines icon in the top left and Click Card Controls. Select the card you wish to block, and either deactivate the card or mark it as lost.