BIN 312 card range

BINs beginning with 312 cover 101 card ranges, mostly JCB, issued by 2 banks in 2 countries.

Cards in the 312 range are JCB (99%), DINERS CLUB INTERNATIONAL (1%). The first digit of a card number identifies the network: 3 is American Express, Diners and JCB, 4 is Visa, 5 is Mastercard, and 6 is Discover and UnionPay.

A BIN is the first 6 to 8 digits of a card number. 312 is the leading three, which identifies the card range — enter the full 6 to 8 digits in the BIN Checker to identify a specific card's issuing bank and country.