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Posted by rfvv on Wednesday, October 5, 2016 at 9:36pm.



When we send letters, we write 'zip code' on the envelope. What is the meaning of 'zip'? Why is 'zip' used here? •English - Ms. Sue, Wednesday, October 5, 2016 at 9:40pm
The word "zip" is an acronym for Zone Improvement Plan.

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Zip codes are 5 (or 9) numbers after the name of the state. For instance, my address ends with MI 49008.

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Thank you for your help.

I saw"Zone Improvement Program" online.
Does 'zip' mean "Zone Improvement Program" or "Zone Improvement Plan"?

http://en.wikipedia.org/wiki/ZIP_Code

The correct meaning of "zip" in the context of zip codes is "Zone Improvement Plan." The acronym stands for Zone Improvement Plan, not Zone Improvement Program. So, it should be "Zone Improvement Plan," not "Zone Improvement Program."