Is that information supposed to change my mind about something?

If you put in any of those numbers it can prefill the city name, with enough accuracy that you don't need to change it.

Did I imply anywhere that cities only have one zip code before you asked about Yonkers? I said if you can remember your city name you can remember your zip code. That doesn't imply you would use a list to get from one to the other.

It would have improved your response was all - nobody accused you of anything, but this response of yours... way off

Improved how?

I picked up the implication that you thought my response could be improved, so I tried to guess what your criticism was and respond to that. If it feels "way off" because I framed it as disagreement, then I dunno, that feels like the right framing? Unless it's something else I did? I could have made it clearer I was guessing but that doesn't seem way off.