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How many zip codes are possible if digits can be repeated? If there cannot be repetitions?

Guest Oct 22, 2013

Melody · Answer 1 · 2013-10-22T02:01:23

How many digits in a zip code?
is it 0 to 9 that are used.
excuse my ignorance but I am not from USA.

Guest · Answer 2 · 2013-10-22T02:03:47

Hi melody I'm sorry there's five digits

Melody · Answer 3 · 2013-10-22T03:11:22

With repetition it is 10^5 = 100,000

Without repetition, but where order still matter, it is 10P5 = 30,240

I think that is right anyway.