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Listed below are the locations for the
necessary code:
Visa and
MasterCard
•3 digits in length
• On back
of card, immediately following the account number in the
signature panel
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American
Express
•4 digits in length
• On face of
card, above and to the right of the card
number
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American Express
Optima
•4 digits in length
• On face of
card, above and to the left of the card
number
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American Express
Blue
•4 digits in length
• On face of
card, above and to the right of the card
number
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