Costco only takes Visa as of January 1, 2017.
Most, Visa, Mastercard not sure about discover
Same as the above.
Visa
Only Costco connected credit cards like Costco citibank
Visa used by debit pin
Costco, after a long partnership with American Express, switched to Citibank in 2016. While the new Costco AnywhereVisa card by Citi offers a high amount of cash back on gas, travel and Costco purchases, is it the best card to use to earn the most rewards at Costco?
Visa only. They stopped the American Express partnership.
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