Visa Card Information Tool
Educational resource about Visa card number formats, structure, and security
Important Disclaimer: This tool provides educational examples of Visa card formats only. It does NOT generate real credit card numbers or provide access to financial accounts.
Visa Card Number Format
Visa card numbers follow a specific format defined by the ISO/IEC 7812 standard:
- First digit: Always 4 (Major Industry Identifier for banking/financial)
- Digits 2-6: Bank identification number (identifies the issuing institution)
- Digits 7-15: Individual account identifier (unique to cardholder)
- Digit 16: Check digit (calculated using the Luhn algorithm)
Note: Visa card numbers are 16 digits long, though some older Visa cards may have 13 digits.
Security Features
Visa cards incorporate multiple security features to prevent fraud:
- CVV/CVC: 3-digit code on the back (4 digits for American Express)
- Expiration Date: Month/Year validity period
- Cardholder Name: Name of the authorized user
- EMV Chip: Embedded microprocessor for secure transactions
Tip: Never share your full card number, CVV, or expiration date with untrusted sources.
Visa Card Number Example
Below is an example of how a Visa card number is structured. This is NOT a real working card number.
Complete Visa Card Example
Educational Tools
These tools help you understand card number validation without creating real card data:
Luhn Algorithm Checker
Validate if a number follows the Luhn algorithm (the mathematical formula used to validate card numbers).
Bank Identification
Learn how the first 6 digits (IIN/BIN) identify the issuing bank and card type.
Example: 412345 would be a Visa card from a fictional “Example Bank”.
Check Digit Calculator
See how the final check digit is calculated from the first 15 digits of a card number.