About BIN 556680
The Bank Identification Number 556680 identifies cards issued by Citibank on the Mastercard network in Hong Kong. Cards in this range are credit cards. Card numbers starting with these digits are routed to the issuing institution during payment authorization.
A BIN (Bank Identification Number) - also called an IIN (Issuer Identification Number) - is the first 6-8 digits of a payment card. It reveals the card network, issuer, country, and funding type, but never identifies an individual cardholder or account.
Frequently Asked Questions
What bank issued BIN 556680?
BIN 556680 is issued by Citibank in Hong Kong.
What card network does BIN 556680 belong to?
BIN 556680 belongs to the Mastercard network and is a credit card.
Is it safe to look up BIN 556680?
Yes. BIN data covers only the first 6-8 digits of a card and is public industry information used by merchants and payment processors. It cannot identify any individual card or cardholder.