Wednesday, August 30, 2017

BP 8/31

BP 8/31: Zip Codes in the US

What does ZIP stand for?
How many numbers were there at the beginning of the Zip Code System?
When did the system go into effect?
What does the first digit mean?
What are the next two digits?
What are the last two digits?
How long did it take for ZIP codes to travel across the US?
What is the ZIP+4?
What can be gathered based on Zip Codes?


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