Currently, Costco Warehouses and petrol stations do not accept cards from networks other than Visa. This implies that Costco members who shop in-store cannot use American Express, Mastercard, Discover, or any other non-Visa credit card.Most debit cards are still accepted, so you should be able to make purchases if you have a Mastercard or American Express debit card.Costco Members can use Mastercard credit cards in addition to Visa credit cards to make purchases online at Costco.com. Discover, Diners Club, and JCB cards are also accepted, but no other major networks are. Therefore
what credit cards does costco acept?
