Your credit card doesn't contain your address. By getting the zip, your address and identity can be inferred and cross matched against other information sources out the in the world.
Track 1 Data Track Data Value % Start B Format Code (B=Bank) 5XXXXXXXXXXXXXX2 Primary Account Number (PAN) ^ Separator ANTONIEWICZ Last Name / Name Separator BRAD First Name ^ Separator 11 Expiration Year 03 Expiration Month 101 Service Code 000000001000000003000000 Discretionary Data ? End Track 2 Data ; Start Track 2 Data 5XXXXXXXXXXXXXX2 Primary Account Number (PAN) = Separator 11 Expiration Year 03 Expiration Month 101 Service Code 000000300001 Discretionary Data ? End
you need a second piece of information at a minimum
With your credit card, they know everything!! Your credit card does have your address but not on the card...and in fact if you don't give someone the correct address connected to that card , it will be denied.