The security code might be on the front or back of your card.
Check the back of your card for a three-digit code that's after your card number.
Check the front of your card for a four-digit code that's above your card number.
If your security code is missing or unreadable, contact your bank or credit card issuer for help.
Learn what payment types you can use for Apple Print Products, iCloud, and the iTunes Store, App Store, and iBooks Store.
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