Paip. Bank Card number query by the issuer's home location

Paip. Bank Card number query by the issuer's home location

Answer 1:
The first six digits are the bank identification number (BIN) issued by the ISO.
The last digit is the check digit, which consists of the top ten digits of the card number (Common ISO card numbers include 13, 16, and 19 digits ).AlgorithmComputing.

The numbers between the first six digits and the last digit are the custom card numbers of financial institutions. Some banks adopt the card issuing address code and card serial number encoding; some banks use the national large serial numbers.

It can only be said in this simple way, because different financial institutions have different numbers, and different product numbers of the same financial institution are also different.

Each bank has different specific rules. But it is almost the same.
The numbers of banks are unified in sequence. Different provincial or municipal branches (or the first-level branch branches under the Head Office) are numbered, sub-branch numbers, and second-level branch numbers, the following is the random number of the card.

Answer 2:
Generally, the first six digits of a bank card number are the ID of the issuing bank, abbreviated as bin-bank identification number. currently, the UnionPay standard card bin issued by China UnionPay member organizations is 62 characters in length.

API Query
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Http://www.2cha.com

For example:

Bank Card No.: 6222021001053295306
Region: Shanghai-Shanghai
Bank Card Type: ICBC-debit card
Card Name: E-era card