Zip codes are 47 years old this month.  In July of 1963, The US Postal Service introduced the five-digit zip code.  Some locations are either so special or just so big that they have their own zip code.  You’re probably aware that the White House has its own zip code which is 20500.  Here are [...]

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July 20th, 2010 | Tags: Zip codes | Category: Daily Blog | Leave a comment