[kelnos]

Not sure if your question is flippant/rhetorical, but in case you're genuinely curious: ZIP stands for Zone Improvement Plan, the initiative that set up the "postal codes" that we call ZIP codes.

I don't quite recall, but I think ZIP may actually be a backronym; in US English, "zip" is a word that also means "to move quickly", and they wanted to evoke a feeling that postal mail gets delivered faster when you include the ZIP code, which makes sorting mail more efficient.

[TheHappyOddish]

Hey thanks, I was being a bit flippant, but I was not aware of that. That's very interesting!