[thelist] Number of digits in Credit Card Number

sarah disaster7 at yahoo.com
Tue Jun 12 13:09:44 CDT 2001


And on that note if anyone might want to know:

Mastercard always begins with a 5
Visa always begins with a 4
Discover always begins with 6011
American Express always begins with 37

Sarah


> > Hi, does any one know the number of alphanumeric
> characters for
> > the following credit card numbers.  I was assuming
> 16 characters
> > for all of them, but am not so sure anymore.
> 
> > Visa, Mastercard, American Express, Discover
> 
> Scott


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