All it determines is what type of card it is, 5 is mastercard 4 is visa 3 is amex 6 is discover
Possibly a few others There is no way to tell whether it's a debit mastercard or a regular mastercard (ASFAIK). The next 3 digits probably tell you what bank issued the card, but that's probably not going to be much help you you either without a full list. Russ > -----Original Message----- > From: Jim McAtee [mailto:[EMAIL PROTECTED] > Sent: Tuesday, February 28, 2006 11:45 AM > To: CF-Talk > Subject: Re: Debit vs. Credit Card > > ----- Original Message ----- > From: "Michael Traher" <[EMAIL PROTECTED]> > To: "CF-Talk" <[email protected]> > Sent: Tuesday, February 28, 2006 3:07 AM > Subject: Re: Debit vs. Credit Card > > > > The first 4 digits of the card determines the type of card it is and who > > issued it. > > Thanks, but by 'type' do you mean to say that it can be determined if a > card is a debit or credit card? If so, what is the algorithm? > > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Message: http://www.houseoffusion.com/lists.cfm/link=i:4:233642 Archives: http://www.houseoffusion.com/cf_lists/threads.cfm/4 Subscription: http://www.houseoffusion.com/lists.cfm/link=s:4 Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4 Donations & Support: http://www.houseoffusion.com/tiny.cfm/54

