ZIP/Postal Code Limitations
Users complain about software, APIs, and websites that only support US ZIP codes, rejecting international postal codes, and discuss the need for global compatibility and alternatives.
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Why not use a ZIP/postal code?
Zip code exists in most countries, yet you assume those are US-based one.
ZIP codes seem to be a US-specific thing.
Doesn't like my 4-digit post code either. Guess this only for American addresses?
Nice, but why do you only allow US zipcodes?
Website has no zip code entry mechanism, and zip code doesn't mesh with district boundaries well at all anyway.
Postal code and number is sufficient, isn’t it?
What's the international story? I'm in the UK, so don't have a zip code - does that matter?
A zip/post code adds redundancy to a state, town and often street, sometimes more.
The whole world has postal codes. Some are simpler than others. It would be nice to see an API like this one that supported more than just one country.