Mastercard BIN list Mastercard Debit Cards — Widget Financial - IIN 550721

Debit card numbers that start with the Issuer Identification Number (IIN) 550721 are Mastercard debit cards issued by Widget Financial in United States. Note that this is the only IIN range issued by Widget Financial, so all cards issued by this provider will be of the format 5507 21XX XXXX XXXX. For more information, call Widget Financial at (814) 456-6231.


Widget Financial
credit card chip
5507 21XX XXXX XXXX
5507 Valid Thru 08/2020
John Q. Cardholder
Card Scheme Mastercard
Bank Name Widget Financial
Card Type DEBIT
IIN 550721
Card Number 5507 21XX XXXX XXXX
Bank Phone (814) 456-6231
Bank Country United States


Anatomy of a Widget Financial Mastercard Credit Card Number

While credit card number may seem like a random string of digits, they actually contain a large amount of valuable data about the card that can be used for validation and verification purposes.

Digit 1 — The MII

The first digit of the card is known as the MII digit, and indicates the credit card's scheme. In this case, the MII of 5 indicates that this is a Mastercard card.

Digits 1-6 — The IIN / BIN

The first six digits of the card number, inclusive of the MII, are called the IIN (Issuer Identification Number) or BIN (Bank Identification Number). This sequence uniquely identifies the bank that issued the card. In this case, the IIN of 550721 indicates that this card was issued by Widget Financial in United States.

Digits 7-15 — The Account Number

Digits 7-15 of the credit card number contain the Primary Account Number, or PAN, issued by the bank to uniquely identify the account holder. These 8 digits are the most important part of the credit card number.

Digit 16 — The Check Digit

The last digit of the card number (the 16th digit in most cases) is the check digit, which is calculated by applying a mathematical formula called the Luhn algorithm to the preceding portions of the account number. While not actually part of the account number itself, the check digit is essential to allow easy validation of card numbers and detection of typos, missed digits, etc.


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Source: http://www.creditcardvalidator.org/mastercard/widget-financial/550721