The credit card is valid for 5 years and is displayed below the 16-digit credit card number. For example: If the number below the card number is 02/16-02/21, it means the card was issued in February 2016 and will expire at the end of February 2021; if the number below the card number only says 02/21, it means the card will expire at the end of February 2021 Expect.