As pointed out by many comments, the post seems US-centric and using zip code doesn't work for all countries.
But just for reference, in Singapore, we use 6-digit zip codes, each of which can uniquely locate a single building, so yes, a lot of local websites essentially just expect a zip code plus unit number, without the hassle of typing out the address at all.
Maybe what I wanted to say is, the idea is cool and _can_ work to enhance user experience with proper localization.
True. But this only mitigate the problem, doesn't solve it. Whatever BINs they use, there must be some noticeable patterns, simply because these cards are NOT regular cards.
But just for reference, in Singapore, we use 6-digit zip codes, each of which can uniquely locate a single building, so yes, a lot of local websites essentially just expect a zip code plus unit number, without the hassle of typing out the address at all.
Maybe what I wanted to say is, the idea is cool and _can_ work to enhance user experience with proper localization.
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