What Is A CID Number?

Are you curious to know what is a CID number? You have come to the right place as I am going to tell you everything about a CID number in a very simple explanation. Without further discussion let’s begin to know what is a CID number?

In today’s world of digital transactions and financial security, you may have come across the term “CID number.” But what exactly is a CID number, and how does it relate to your financial transactions and personal information? In this blog, we will unravel the mystery of the CID number, explaining its meaning, where you can find it, and its role in securing your financial transactions.

What Is A CID Number?

CID stands for “Card Identification Number,” and it is a security feature associated with credit and debit cards. The CID number, sometimes referred to as a CVV (Card Verification Value) or CVC (Card Verification Code), is a three or four-digit code printed on the card. This code serves as an additional layer of security, helping to verify the authenticity of the card and prevent fraudulent transactions.

The CID number is typically located on the back of the card for Visa, Mastercard, and Discover, while for American Express, it is found on the front of the card, just above the card number. It is not embossed, meaning that the CID number is flat and printed, rather than raised like the card number.

The Role Of A CID Number

  1. Enhanced Security: The primary purpose of the CID number is to enhance the security of online and over-the-phone transactions. When making a purchase, especially in situations where the card is not physically present, the CID number is requested to verify that the cardholder is in possession of the card.
  2. Protection from Card-Not-Present Fraud: Card-not-present (CNP) fraud occurs when a cardholder’s information is used for online or phone transactions without the physical card. The CID number acts as a security measure to combat CNP fraud by confirming that the person making the transaction has access to the card.
  3. Secure E-commerce Transactions: E-commerce websites and online merchants use the CID number to validate the authenticity of the cardholder during online purchases. This helps reduce the risk of unauthorized transactions.
  4. Reducing Identity Theft: By requiring the CID number, card issuers can reduce the chances of identity theft and protect cardholders from unauthorized use of their cards.

How To Use A CID Number Safely?

  1. Keep it Confidential: Treat your CID number with the same level of secrecy as your card number and other personal information. Do not share it with anyone or write it down where it may be easily accessible.
  2. Use Secure Websites: Only provide your CID number on websites you trust and that have secure payment processing systems. Look for the padlock symbol in the address bar to ensure the website is secure.
  3. Shield It: When entering your CID number online or over the phone, make sure no one is looking over your shoulder or listening to your conversation.
  4. Be Cautious with Emails and Calls: Be cautious of unsolicited emails or calls requesting your CID number. Legitimate organizations will not ask for this information via email or phone.

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The CID number, or Card Identification Number, plays a crucial role in safeguarding your financial transactions and personal information. By providing an additional layer of security for card-not-present transactions, it helps reduce the risk of fraud and unauthorized card usage. It is important to keep your CID number confidential, use it responsibly, and be cautious when sharing it in online or phone transactions to protect your financial assets and personal identity.


Is CID The Same As Cvv?

The terms are generally used interchangeably. CVV2 stands for “Card Verification Value 2”, CVC2 stands for “Card Validation Code 2”, and CID stands for “Card Identification Number”.

How Do I Get A CID?

What’s CID?

  • There are three ways to obtain a CID. …
  • 2 Find a place on Google Maps using your browser. …
  • The string 28e48b1a90ccf57e is the CID value encoded in hexadecimal. …
  • For the example above, the obtained decoded CID is 2946633002421908862.
  • 3 The third way to obtain CID is by looking into the page source.

How Do I Find My Google CID Number?


  • Sign in to your Google Ads account.
  • Click the help icon in the top right corner.
  • Find “Customer ID” at the bottom of the menu.

Where Is The CID Number On A Visa Gift Card?

For Visa, MasterCard, JCB, and Discover, the card security code (CVV, CVC, CID) is the last 3 digit number located on the back of your card on or above your signature line.

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