Multiple choice general knowledge history

A similar postal number in USA is called,

  1. Zone Identification Plan

  2. Zone Index Number

  3. Zone Improvement Plan

  4. None of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

ZIP in the United States postal system stands for Zone Improvement Plan. Introduced in 1963, ZIP codes were created to improve mail sorting and delivery efficiency. The term ZIP was chosen to emphasize that mail travels more efficiently when senders use the postal code. The other options (Zone Identification Plan, Zone Index Number) are incorrect expansions.

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