5.1.2 appears to have removed some zip codes?

[garethson]

When updating the version of this gem to 5.1.2, it appears as though quite a few zip codes where removed. Doing

select count(*) from zip_codes

5.1.1 gives us 40998 codes, 5.1.2 gives us 39211.

Not sure how many examples it would take, but one we've found is "12345" which does appear to be a valid code. I'm not 100% sure of the source of the data, otherwise we'd try to fix, but this appears to have been introduced a couple day ago in 35c7e48.

Thanks!

[mr-notorious]

Looks like unique zip codes were removed (e.g., organization's mail rooms).

[garethson]

Interesting, so my assumption that 12345 is a valid ZIP is not actually true. I just found what appears to be a canonical list of ZIP codes at least via USPS, and 12345 is not present. That being said, there are currently 44196 records, I'm curious as to the difference here.

[mr-notorious]

From my limited understanding, 12345 is a valid delivery ZIP code. It is row 560 on the "Unique-ZIP_DETAIL" sheet.

The reason why the counts are not matching between this project and USPS is because USPS has duplicates. I guess this means the mail can be routed to more-than-one post office.