To point out how messy the ZIP/postal codes map to actual towns take a look a this: https://tools.usps.com/go/ZipLookupResultsAction!input.action?resultMode=2&postalCode=41017
A structure in which we could map multiple ZIPs to towns would be desirable.
To point out how messy the ZIP/postal codes map to actual towns take a look a this: https:/ /tools. usps.com/ go/ZipLookupRes ultsAction! input.action? resultMode= 2&postalCode= 41017
A structure in which we could map multiple ZIPs to towns would be desirable.