Yes, you will be able to use it anywhere, including abroad. The Priceline credit card comes with a Visa Signature label on it, so the card is accepted everywhere Visa cards are accepted. Also, the card comes with an EMV chip that guarantees acceptance in Europe where mostly chip cards are accepted. However, if you want a really universal card, check out travel rewards credit cards. They give rewards for all purchases and work in any country.
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All rates and fees, and other terms and conditions of the products mentioned in this article/post are actual as of the last update date but are subject to change. See the current products' Terms & Conditions on the issuing banks' websites.