Maestro is a multi-national debit card service owned by MasterCard. Maestro is MasterCard's main debit brand and is the equivalent of signature debit card Within the EU and certain other countries. The Maestro does not require electronic authorization, similar to the Visa Debit card. The credit card number must pass the Luhn Algorithm Check. Every Maestro card number has a specifically prefix 50, 56-69.
|Credit Card Type||IIN ranges||Credit Card Number|
|Maestro||50, 56-69||5013 8714 8602 8721|
|Discover||6011, 622126-622925, 644-649, 65||6011594786717005|
A Credit Card number must pass the Luhn Algorithm test to see if it is a valid credit card number.
The credit card number entered passed the Luhn Check so it is a valid credit card number!
The credit card number entered failed the Luhn Check. It's not valid?
Digits 7 to final number minus 1 indicate the individual account identifier (the last is the checksum).
The first six digits of a card number identify the institution that issued the card to the card holder.
The first digit of which is the Major Industry Identifier (MII), it indicates the individual account identifier.