I have used this tool http://mcdc.missouri.edu/websas/geocorr12.html to get the information about ZCTA, StateLegUpperDist and StateLowerDist code. But I have a file with Zip+4. How do I match the ...
I am trying to find unemployment rate data for the US that is: at 5 digit zip code level monthly, or quarterly, or even annually, for 2008-2012 free That seems to be impossible as far as I can ...
Here is an interesting problem I am facing... There are certain areas within the US where the USPS does not offer postal delivery to those addresses. One example here is my Zipcode 92067 which is ...