Media Summary: Though we usually take it for granted today, the development of a system that allows nearly anyone to hand off a package and ... July 1, 1963 was a red-letter day for the U.S. Post Office, for it marked the introduction of its Zoning Improvement Plan - Thank you, Bonnie Bees, for making this video possible: ## Related Videos: What is Federal ...
The Stunning History Of Zip Codes - Detailed Analysis & Overview
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