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Major Industry Identifier ( ). .
1 2
3
4 5
6
7
8
9
Issuer Identification Number (INN). .
Visa: 4xxxxx
Mastercard: 51xxxx 55xxxx
Discover : 6011xx , 644xxx , 65xxxx
Amex : 34xxxx , 37xxxx
O . 376211 American Express Gold Singapore Airlines Krisflyer. To 529962 MasterCard Much-Music.
To 7o . .
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