Debit Cards

Debit CardsLost or Stolen Cards?

MCU Debit MasterCard® 

Memorial Credit Union debit cards are safe and convenient for all your purchasing needs.  We offer EMV “smart chip” technology which securely encrypts each transaction.  We also offer a full suite of Card Controls – putting even more power in the palm of your hand. 


  • Accepted wherever the MasterCard® logo is displayed
  • Convenient access to your checking account
  • Cash Back Rewards
  • Free ATM access at all MCU ATMs and our ATM Friendly locations
  • Debit Card Controls through MCU Online & MCU Mobile App
  • EMV Smart Chip Enabled

Debit Card Controls

Card Control allows you to personalize the types and frequency of your alerts and block transactions based on:

  • Manage Card – You now have the ability to turn on and off debit card in real-time.
  • Spending Controls – Set spending limits.
  • Transaction Type Controls – Selected transactions can be controlled and dollar limits set.
  • Alerts – Can be sent on all card activity such as debit card alerts, low balance alerts, and more.

Click here to learn more

Debit Card Rewards

We offers thousands of opportunities to get cash back just by using your MCU Debit MasterCard®. You can earn up to 10% cashback and save on your purchases at the most popular national brands, plus your favorite regional and local retailers! Offers are available both in-store and online. Best of all, IT’S FREE.   

Get Rewards


Members who qualify are eligible for our Debit MasterCard®. Don’t wait. Get your MasterCard® Debit Card today. To apply, simply visit your nearest Memorial branch or call 713-778-6300.

Important Card Information:

  • Lost/Stolen Debit MasterCard® Contact your local branch or call 24/7 services at (800)-528-2273
  • Debit MasterCard®Customer Service:  (800)-851-4859
  • Debit MasterCard® & ATM Activation  (866)-619-0245  
  • Debit MasterCard® & ATM Pin Change  (800)-851-4859


Cardholder Disputes
If you have a transaction dispute on your Debit MasterCard®, you will need to collect the following items to bring into your nearest branch in order to submit the dispute:

Debit Card Dispute Form