What A Credit Card's First Digit Means

By Ben Popken on January 22, 2007 5:46 PM 9220 views

You can tell a lot about a person by looking at their shoes, and likewise, by looking at their credit card's first digit. This represents the Major Industry Identifier, which is to say, the type of institution that issued the card. Here's the breakdown.

1,2: Airlines
3: Travel/Entertainment
4,5: Banking/Financial
6: Merchandising/Financial
7: Petroleum
8: Telecommunications
0,9: Other

Whip yours out and see for yourself. — BEN POPKEN

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