Media Summary: Creator(s): Post Office Department. 2/20/1792-7/1/1971 (Most Recent) Series: Motion Picture Films, 1921 - 1970 Record Group ... This is a shorter version; the entire video is here: As American communities and cities experienced growth in the mid-twentieth century, the management of the increasing amount ...
Swinging Six On Zip Codes - Detailed Analysis & Overview
Creator(s): Post Office Department. 2/20/1792-7/1/1971 (Most Recent) Series: Motion Picture Films, 1921 - 1970 Record Group ... This is a shorter version; the entire video is here: As American communities and cities experienced growth in the mid-twentieth century, the management of the increasing amount ... My Christmas mailing PSA about the importance of the Zone Improvement Program. Put to music by the fabulous "...You've got to help them right away before the US Post Office explodes!" The
![Swinging Six - ZIP Code PSA pop version [1960s]](https://i.ytimg.com/vi/hWqJUmgTBo4/mqdefault.jpg)
