Is CID the same as CVV?
Sophia Koch
Updated on February 07, 2026
Known as a Card Verification Value (CVV) on Visas and a Card Verification Code (CVC) on MasterCards, these three-digit CSC codes are printed in small boxes beside the signature strip on the back of cards. On American Express and Discover cards, the CSC number is known as a Card Identification Number (CID).
What is CID for American Express?
Card Identification Number
American Express® cardholders: 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 your Card Identification Number (CID). The CID is the four-digit code printed just above the Account Number.
What is CVV or CID number?
The CVV for Visa, Mastercard and Discover credit cards is a three-digit number on the back of your card, to the right of the signature box. American Express uses a four-digit code, which they call the card identification number (CID). The American Express CID is on the front of the card above the account number.
What is a CID used for?
A civil investigative demand (CID) is a discovery tool used by a number of executive agencies in the United States to obtain information relevant to an investigation.
What is a CID code?
Credit Card Identification Code(Security Code/CVV/CVC/CID): The Credit Card Identification Code, or “Card Code,” is a 3 or 4 digit Security code that is printed on the back of credit cards in reverse italics in the card signature panel (or on the front for American Express cards).
What is the 4 digit card ID American Express?
On American Express cards, the card identification number is a 4 digit, non-embossed number printed just above and to the right of your account number on the front of the card.
What is a CID in the police?
The Criminal Investigation Department (CID) is the branch of a police force to which most plainclothes detectives belong in the United Kingdom and many Commonwealth nations. A force’s CID is distinct from its Special Branch (though officers of both are entitled to the rank prefix “Detective”).
Where is the CID number on a credit card?
The CID (card identification) number is the 4-digit, non-embossed number printed above your account number on the face of your card. Extra 4 digits on front of card.
What is credit card identification?
The Credit Card Identification Code, or “Card Code,” is a 3 or 4 digit Security code that is printed on the back of credit cards in reverse italics in the card signature panel (or on the front for American Express cards).
What does it mean to have a valid CVV2 / CID?
A transaction created with a valid CVV2/CID means that the person requesting the transaction must have the actual card in his/her possession. Many financial institutions now require this code for verification.