56 lines
1.4 KiB
Plaintext
56 lines
1.4 KiB
Plaintext
BANK CARD FORMATS
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CARD NUMBERING FORMATS ARE ACCORDING TO THIS SCHEDULE: "*4-*5" MEANS A
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9 DIGIT NUMBER IN A GROUP OF 4, THEN 5. "5XXX-*5" MEANS THE SAME THING,
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EXCEPT THAT THE FIRST DIGIT OF THE 4 NUMBER GROUP IS ALWAYS A "5", ETS.
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WHEN "5230-8888-*4-*4" TYPE IS SHOWN, "5230-8888-" MEANS THAT THE FIRST 8 DIGITS
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ARE AS SHOWN, FOLLOWED BY TWO GROUPS OF 4 DIGITS, ETC. BY KNOWING THIS
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FORMAT, YOU COULD UNDERSTAND WHAT YOUR CREDIT CARD NUMBERS MEAN, AND HOW
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VARIOUS MAIL ORDER AND TOUCHTONE PHONE SERVICES DETERMINE IF THE CARD
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NUMBER GIVEN TO THEM IS REAL. WON'T YOU SLEEP BETTER AT NIGHT KNOWING HOW
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THE BANKS NUMBER THIER CARDS, AND HOW THEIR AUTHENTICITY IS CHECKED :)
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BANK OF AMERICA
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M: 5XXX-*4-*4-*4
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V: 4XXX-*4-*4-*4
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CHEMICAL BANK OF NY
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M: 5211-*4-*4-*4
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V: 4211-*4-*4-*4
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COMPUTER COMMUNICATIONS
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M: 518X-*4-*4-*4
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V: 4XXX-*4-*4-*4
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HARRIS TRUST AND SAVINGS
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M: 5230-8888-*4-*4
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V: 4681-2XX-*3-*3
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CITIBANK OR CITICORP
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M: 5218-*4-*4-*4
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M: 5424-18XX-*4-*4
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V: 4128-*3-*3-*3
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V: 4271-38XX-*4-*4
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CONNECTICUT NATL BANK
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M: 5272-*4-*4-*4
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V: 4040-*3-*3-*3
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CHASE MANHATTAN BANK
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M: 5464-*4-*4-*4
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V: 4225-*3-*3-*3
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V: 4226-*3-*3-*3
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CROCKER NATL BANK
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M: 5282-*4-*4-*4
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V: 4040-*3-*3-*3
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