How to find the security code on a credit card

Find out where to locate the security code on your credit card.

Visa, MasterCard, Discover, JCB, and Diners Club

The security code is a three-digit number on the back of your credit card, immediately following your main card number.

American Express

The security code is a four-digit number located on the front of your credit card, to the right above your main credit card number.

If your security code is missing or illegible, call the bank or credit card establishment referenced on your card for assistance.

If you are not sure if you can use a particular credit card for your purchase, visit the appropriate support page:

Important: Information about products not manufactured by Apple is provided for information purposes only and does not constitute Apple’s recommendation or endorsement. Please contact the vendor for additional information.
Last Modified: Mar 16, 2012
  • Last Modified: Mar 16, 2012
  • Article: HT3541
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