BIN 531076
CITIBANK, N.A., PUERTO RICO • PUERTO RICO • MASTERCARD
About BIN 531076
BIN 531076 is a MASTERCARD credit card operating on the CENTRAL TRAVEL SOLUTIONS AIR payment network, issued by CITIBANK, N.A., PUERTO RICO in PUERTO RICO (PR). The default settlement currency for this card is Unknown. This is not a prepaid card — it is linked to a standard bank account or credit facility. Card numbers beginning with this BIN pass the Luhn algorithm validation, confirming they are structurally valid card numbers.
Frequently Asked Questions
What is BIN 531076?
A Bank Identification Number (BIN), also called an Issuer Identification Number (IIN), is the first 6–8 digits of a payment card. BIN 531076 identifies CITIBANK, N.A., PUERTO RICO as the issuing institution for cards carrying this prefix. These digits tell payment processors which bank issued the card before the full transaction is initiated.
Which bank issued BIN 531076?
BIN 531076 was issued by CITIBANK, N.A., PUERTO RICO, a financial institution operating in PUERTO RICO.
In which country is BIN 531076 registered?
BIN 531076 is registered in PUERTO RICO (country code: PR). The issuing bank, CITIBANK, N.A., PUERTO RICO, holds the licence to issue cards under this BIN range in PUERTO RICO. Transactions on these cards typically involve PUERTO RICO-based banking and settlement infrastructure.
Is BIN 531076 a credit, debit, or prepaid card?
BIN 531076 belongs to the credit card category. This is not a prepaid card, so it is linked to a standard bank account or approved credit facility.
What payment network does BIN 531076 use?
BIN 531076 operates on the MASTERCARD payment network using the CENTRAL TRAVEL SOLUTIONS AIR card scheme. This means all transactions made with cards carrying this BIN are routed and processed through MASTERCARD's global payment infrastructure.
What currency is associated with BIN 531076?
The primary currency associated with BIN 531076 is Unknown. This is the currency in which domestic transactions are typically billed for cards under this BIN range when used in PUERTO RICO. International transactions may involve currency conversion depending on the merchant's country.
Does BIN 531076 pass the Luhn check?
Yes — card numbers beginning with BIN 531076 pass the Luhn algorithm. The Luhn algorithm is a standard checksum formula used by payment systems to detect miskeyed or structurally invalid card numbers. A passing result confirms the number range is mathematically valid.
