The card number is unique and consists of twelve to sixteen digits.
- The first six digits form the BIN code – Bank Identification Number.
- The first 4 digits represent the credit card company.
- The 5th digit stands for the type of credit card (e.g. American Express: blue, green, gold, platinum).
- The 6th digit indicates whether it is a second card, partner card, company card, etc.
- The remaining 9 digits are the account number
- The last digit is the check digit
GC Wizard offers the following check digit tools for credit card numbers
Checking the validity of a credit card number
Calculate the check digit of a credit card number
Calculate missing digits of a credit card number
If the credit card number is correct, further details will be displayed.
If necessary, further bank details can be called up.
If the credit card number is incorrect, correct options will be calculated.
