BIN 528637
www.ubb.bg
5286 3798 8416 0542
BIN 528637 is the Issuer Identification Number (IIN) at the start of a card number. It is issued on the Mastercard network as a debit card at the Standard level. The issuing bank is United Bulgarian Bank PLC, based in Bulgaria. 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 528637 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 673 BIN ranges issued in Bulgaria. See the Bulgaria BIN list with its banks, card schemes and card types.
Check another BIN
Enter any card's first 6–8 digits to look up its bank, scheme, type and country.
Open BIN Lookup →Frequently asked questions
What bank issued BIN 528637?
BIN 528637 belongs to United Bulgarian Bank PLC in Bulgaria. A BIN identifies the issuing bank and card range — never an individual account or cardholder.
Is BIN 528637 a credit or debit card?
It is a debit 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.