Holiday Hours:

All LSCU locations will be closed on Monday, May 28th, for Memorial Day. 

Father, mother, and son hugging outside

Mastercard Debit Cards

The LSCU Debit Card offers control, security and convenience. Access your account using your LSCU debit card at more than 55,000 fee-free ATMs nationwide. Make purchases using your LSCU Debit Card instead of cash or checks at millions of merchant locations worldwide. Get your LSCU debit card issued instantly at any LSCU branch location!

Activate your LSCU Mastercard Debit Card by calling 1.800.992.3808

A better way to make all of your everyday purchases.

Easily track and control spending

When you use your LSCU Mastercard Debit Card, you get a detailed description of your debit card purchases through Online Banking and your monthly statement.

Access cash when you need it

Use your LSCU debit card to withdraw cash at more than 55,000 fee-free ATMs nationwide. View Locations

Pay bills with your Debit Card

There's no need to hassle with checks or stamps. You can pay all kinds of bills over the phone and online using your LSCU debit card, including utilities, memberships, and subscriptions.

Mastercard ID Theft Protection™

Mastercard is the only payment brand that provides its U.S. cardholders with services - at no extra cost - to help you detect and resolve identity theft.

  • Expert Resolution Services. Expert assistance is available to help you 24/7 if you think your identity has been stolen. Call 1-800-Mastercard and you will be assigned a personal certified specialist who will guide you through the process every step of the way.
  • ID Theft Alerts™. This service tracks thousands of websites to identify if your personal information is being bought or sold online. Register now.

Mastercard Zero Liability

As a Mastercard cardholder, zero liability applies to your purchases made in the store, over the telephone, online, or via a mobile device and ATM transactions. As a cardholder, you will not be held responsible for unauthorized transactions if you have used reasonable care in protecting your card from loss or theft; and you have promptly reported to Lone Star Credit Union when you knew that your Mastercard was lost or stolen. Zero Liability does not apply to the following commercial cards, unregistered prepaid cards or gift cards. Learn more

Play it Safe with Alerts from CardValet

Payment cards offer both convenience and risk. CardValet manages the risk by allowing you to define when, where and how your cards can be used.

  • Receive alerts whenever your payment cards are used
  • Establish transaction controls for dollar amount limits, merchant categories, transaction types and geographic locations

Download the CardValet mobile app today! Available in the App Store and Google Play Store.

Protect Yourself With These Important Safety Tips

  • Be sure to sign the back of your debit card
  • Memorize your PIN – Never share it with anyone or write the number down
  • Do not allow anyone else to use your debit card
  • Never give your debit card number to anyone you don’t know through email or over the phone
  • Always collect your card and receipt after any transaction.
  • If your card is ever lost or stolen, notify us immediately or call 1.800.472.3272
  • Review your bank statements regularly. Call us immediately if you identify any unfamiliar transactions
  • Travel Plans? Remember to contact us if you plan to use your LSCU Debit Card outside the country
  • Learn more about how to keep your accounts secure by visiting lonestarcu.org/fraudprevention