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Credit union credit cards have gained a solid reputation as being some of the best. Corner Stone Credit Union's credit cards are no different.
Discover how great our MasterCard credit card rates really are!

MasterCard Credit Cards
We offer several types of MasterCard Credit Cards. APR*=Annual Percentage Rate.
Interest Rates and Interest ChargesPlatinum MasterCardGold MasterCardClassic MasterCardShare-Secured MasterCardStarter MasterCard
APR* for Purchases 9.90% 10.90% 13.90% 12.90% 16.90%
APR* for Balance Transfers 9.90% 10.90% 13.90% 12.90% 16.90%
APR* for Cash Advances 9.90% 10.90% 13.90% 12.90% 16.90%
How to Avoid Paying Interest on Purchases: Your due date is at least 25 days after the close of each billing cycle. We will not charge you interest on purchases if you pay your entire balance by the due date each month. We will begin charging interest on cash advances and balance transfer on the transaction date.
For Credit Card Tips from the Consumer Financial Protection Bureau: To learn more about factors to consider when applying for or using a credit card, visit the website of the Consumer Financial Protection Bureau at

MasterCard Credit Card Fees
Fee TypeFees
Annual Fee None
Foreign Transaction Up to 1% of each transaction in U.S. dollars.
Late Payment 5% of the payment, up to $27
Returned Payment Up to $27
Over Credit Limit None
How We Will Calculate Your Balance: We use a method called "average daily balance (including new purchases).
See MasterCard credit card application for additional fees & information, or to apply for a credit card.

Apply Here   Please email your MasterCard credit card application to

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