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TarJak · 06-09-13, 05:03 PM

The first 6 digits of a credit card number are known as the Issuer Identification Number (IIN), previously known as bank identification number (BIN), issued under the ISO/IEC 7812 standard. These identify the institution that issued the card to the card holder.
The IIN ranges used by the major card schemes are:

Visa: Card numbers start with a 4.
MasterCard: Card numbers start with the numbers 51 through 55.
Diners Club: Card numbers begin with 36 or 38. (There are Diners Club cards that begin with 5. These are a joint venture between Diners Club and MasterCard, and are processed like a MasterCard.)
Discover: Card numbers begin with 6011 or 65.
Japan Credit Bureau (JCB): Card numbers begin with 35.
American Express (Amex): Card numbers beginning with 34 or 37.

Dont sweat it.

06-09-13, 05:03 PM	#6
TarJak Fleet Admiral Join Date: Jul 2006 Location: Sydney, Australia Posts: 17,052 Downloads: 150 Uploads: 8	The first 6 digits of a credit card number are known as the Issuer Identification Number (IIN), previously known as bank identification number (BIN), issued under the ISO/IEC 7812 standard. These identify the institution that issued the card to the card holder. The IIN ranges used by the major card schemes are: Visa: Card numbers start with a 4. MasterCard: Card numbers start with the numbers 51 through 55. Diners Club: Card numbers begin with 36 or 38. (There are Diners Club cards that begin with 5. These are a joint venture between Diners Club and MasterCard, and are processed like a MasterCard.) Discover: Card numbers begin with 6011 or 65. Japan Credit Bureau (JCB): Card numbers begin with 35. American Express (Amex): Card numbers beginning with 34 or 37. Dont sweat it.