A zip code is a series of numbers (and sometimes letters) to help determine the destination of mail and any other postal items. Some states can have as many as 30 zip codes, and sometimes more. |
Examples of Zip Codes:
Los Angeles, CA: 90210 Norfolk, VA: 23507, 23529, 23508 Greensboro, NC: 27455, 27401 https://en.wikipedia.org/wiki/ZIP_code https://mcdc2.missouri.edu/webrepts/geography/ZIP.resources.html https://library.csun.edu/mfinley/zipstats.html |
A 1963 U.S. Post office sign encouraging the use of zip codes. |
![]() Mr.zip promoted the use of zip codes for the usps during the 1960s and 1970s. |
Use zip code labels were also used to promote the use of a zip code. |
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