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Credit Card Identification Number

Credit Card Identification Number

What is it?

The Card Identification Number (CID) is a special identification number feature on the American Express, Diner's Club, Discover, MasterCard or Visa credit card.

Why are you asking for it?

By requiring the identification number to be entered with the customer's credit card, we are verifying that the order is being placed by the card holder. The identification number offers protection to the card holder as well. The Card Identification Number (CID) is not raised, so they are not scanned into standard credit card readers. In theory, these numbers are only visible to the card holder.

How do I find mine?

American Express
Look for the 4-digit code printed on the front of your card just above and to the right of your main credit card number. This 4-digit code is the credit card identification number.

MasterCard
Flip your card over and look at the signature box. You should see a 16-digit credit card number followed by a special 3-digit code. This 3-digit code is the credit card identification number.

Visa
Flip your card over and look at the signature box. You should see a 16-digit credit card number followed by a special 3-digit code. This 3-digit code is the credit card identification number.

Discover
Flip your card over and look at the signature box. You should see a 16-digit credit card number followed by a special 3-digit code. This 3-digit code is credit card identification number, like VISA and MasterCard.