Debit Card Security Code

The security code on a debit card, also known as a CSC (Card Security Code), is a 3 or 4 digit number that is displayed on the card. It may also be referred to as a CVV (Card Verification Value) or CVC (Card Verification Code). These codes serve to verify the authenticity of the debit card during transactions.

Where is the security code on a debit card?

The location of the security code on a debit card can vary, as it depends on the payment service provider used by your bank. In the case of Chase debit cards, the code is a three-digit number and can be found on the back of the card, situated on the right side of the white signature strip.

The security code on your card, also known as a CSC (Card Security Code), CVC (Card Verification Code), or CCV (Card Code Verification), is typically found on the back of the card and consists of three or four characters. This code adds an extra layer of protection to your credit card when you make online purchases.

If you are unable to locate or read the security code on your card, it is advisable to contact the issuing bank or financial institution for assistance.

It is important to note that payments will not be accepted from cards that do not have a security code.

Is a CVV number the same as a debit card number?

The CVV is separate from the debit card number, which is usually displayed on the front of the card and is composed of 15 or 16 digits. In addition to the security code, debit cards also require the use of a PIN (Personal Identification Number), which is a four-digit code that you select. The PIN is not printed on the card, and it must be entered into a keypad when conducting transactions, such as withdrawing money from an ATM or making a purchase at a physical store. It is important to keep your PIN confidential and not to write it down on the card. The combination of a secure security code and a personal PIN can help to prevent debit card fraud.

How does a debit card security code work?

The security code on a debit card is often utilized in online and phone transactions as an additional layer of protection. This is because the security code is required during these transactions, and having the actual card on hand is necessary in order to provide the CVV number. The use of a security code helps to increase the security of these types of transactions.


The security code on a debit card is typically located on the back of the card. It should not be confused with the debit card number or the PIN, as it serves a distinct purpose. The security code helps to enhance the security of your account during online and phone transactions.


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