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clickety_clack | on: USPS now offers official ZIP Code boundary polygons
Doesn’t that imply that a ZIP code could change if the route is changed?
aidenn0 | parent | next
Yes. I had my ZIP code change when I was a teenager.
skrtskrt | root | parent
Did it just change with no net new zones?

I had mine changed from a new zip getting added as the area's population grew (after it had been removed decades earlier).

NegativeLatency | parent
Only if it’s 1:1 instead of many to many