16 in a major card like Visa, Mastercard, etc. Many store cards have less.
2006-06-09 12:42:59
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answer #1
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answered by dh1977 7
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16
2006-06-09 19:41:08
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answer #2
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answered by anh51787 3
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Most cc# are 16 digits. 4563-6545-3909-2904 (example not a real # folks!)
Each cc has it's own identity too. when a card starts the #4 it's a VISA, #5 is a Mastercard, #6 Discover.
Make sure you never share the last 3 digits that appear on the back of your ccard!!! This is a CVV # for security and validity. If an identity thief get ahold of your cc# and the CVV# they can do alot of damage to you and your credit!
2006-06-16 06:44:11
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answer #3
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answered by aunt_beeaa 5
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Visa: 13 or 16 numbers starting with 4
MasterCard: 16 numbers starting with 5
Discover: 16 numbers starting with 6011
Amex: 15 numbers starting with 34 or 37
Store Cards: Can be 16 numbers or less
2006-06-09 23:19:57
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answer #4
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answered by Anonymous
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Usually 16 ... in this format 5XXX XXXX XXXX XXXX
However some older Visa cards still have 13
4XXX XXX XXX XXX.
American Express, Diner and Carte Blanche have 15
3XXX XXXXXX XXXXX
There ya go ...
2006-06-09 20:04:44
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answer #5
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answered by kentata 6
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16 if its a visa or mastercard
15 if its american express
2006-06-09 19:42:24
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answer #6
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answered by zeugirdor 3
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it varies for different types of cards
2006-06-11 13:25:35
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answer #7
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answered by amber 3
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18 please pick me for best answer
2006-06-09 19:41:39
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answer #8
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answered by Anonymous
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