BIN 531111
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5311 1101 9366 1709
BIN 531111 is the Issuer Identification Number (IIN) at the start of a card number. It is issued on the Mastercard network as a credit card. The issuing bank is Banco Popular DE Puerto Rico, based in Puerto Rico. A BIN identifies the bank and card range only — it never reveals an account number, balance or cardholder.
Card number format for this BIN
Every card number that starts with 531111 follows these Mastercard rules. Its last digit is a Luhn check digit calculated from the digits before it, which is why a mistyped number is usually rejected before a payment is even sent.
🇵🇷 Our dataset lists 501 BIN ranges issued in Puerto Rico. See the Puerto Rico BIN list with its banks, card schemes and card types.
Other BINs from Banco Popular DE Puerto Rico
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Open BIN Lookup →Frequently asked questions
What bank issued BIN 531111?
BIN 531111 belongs to Banco Popular DE Puerto Rico in Puerto Rico. A BIN identifies the issuing bank and card range — never an individual account or cardholder.
Is BIN 531111 a credit or debit card?
It is a credit card on the Mastercard network.
Can I get full card numbers from a BIN?
No. A BIN is only the first 6–8 digits and public routing information. It reveals the scheme, type, bank and country, but never a full card number, balance or cardholder. The sample on this page is randomly generated and holds no funds.