What is a CID number on a credit card?
Answer:
It's Credit Card Identification Number (CID)
check out this link for illustrations on how to find it
http://www.dbtech.net/ccsecurity.html.
The 3-digit code on the back after your crdit card number.
The 3 digit code that is used primartily for internet purchases. If someone steals your main number of the front of the card they can't use it for online purchases unless they have the 3 digit code off the back. This is why many scams ask for this as well in phony credit card scams
It's the 3 digits on the back of your credit card. It's a security feature so that people who steal your credit card number can't use it for online purchases because they won't know the CID number.
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