Activate Your New Debit Card - Be sure to activate your new Visa Debit Card if you have not already done so. All Debit Mastercards have been disabled and can no longer be used to conduct transactions. For more information, click here.
Debit Card
Conversion Information
Main Card Conversion
Debit Card Conversion
This page provides you with information about the recent changes to your AACU Debit Mastercard®.
You will find timelines, important dates, and valuable information to help guide you through your debit card transition from Mastercard to Visa®.
On October 2, 2024
AACU will began using Visa as the provider for its debit cards.
To ensure we continue providing members with best-in-class service and purchasing power with the latest technology, AACU periodically reviews our partners as well as their competitors. By moving from Mastercard to Visa, members will enjoy more flexibility and security through new card control features.
On October 3, 2024
As of 9:00 am (MT) all Debit Mastercards have been disabled and can no longer be used to conduct transactions. Be sure to activate your new Visa Debit Card.
New Features
You now have the ability to report your card lost or stolen, turn your card on or off, and add travel alerts conveniently through online and mobile banking.
This page will provide our members with information about recent changes to their debit cards. On this page, you'll find:
- Important Dates
- Valuable Information
- Answers to Frequently Asked Questions