Supplementary card has same 16-digit as main one. Can it be added to Curve?


My wife and I have our own Curve card each. I have a credit card added to my Curve card, then requested a supplementary card for her. Such supplementary card has arrived and has the same long number, expiry date and verification code. I guess if we try to add it to her Curve it’ll be declined and flagged as card being used by another Curve user?


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That’s correct. It would need to have a unique card number. I find it strange that both cards are the same card number… how’d they differentiate the charges for each card holder?