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What do the letters ""zip"" stand for in the united states postal code?.

User Ten
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Answer:

Zone Improvement Plan

Step-by-step explanation:

ZIP is an acronym for Zone Improvement Plan. However, the USPS intentionally chose the acronym to indicate that mail travels more quickly when senders mark the postal code on their packages and envelopes. ... The general system of ZIP codes used today was implemented in 1963.

User Pat Morin
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