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If you're doing business in the United States you're going to need to collect the zip code for credit card processing reasons. It is used as part of the Address Verification System (AVS) which occurs for all non-swiped credit card transactions. By not capturing it, and then providing it when processing the transaction, at the very least you will force the ...


Are you thinking of selling things on the web? If so, you will probably also be considering some way in which you can accept credit cards on your site. Since new webmasters who visit thesitewizard.com often ask me about how they can get started accepting payments in this form, this article provides some basic information on adding credit card payment ...

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