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fingerlocks
2mo ago
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Source? The numbers correspond to the USPS distribution centers and carrier routes. If the numbers are changing that would imply an increase in zip code subdivisions, making each zip code a better address predictor for a given individual.
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bluGill
2mo ago
https://faq.usps.com/s/article/ZIP-Code-The-Basics
I don't know how to link to the correct question but there is why did my code change.
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