A ZIP+4 code uses the basic five-digit code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a city block, a group of apartments, an individual high-volume receiver of mail or any other unit that could use an extra identifier to aid in ...
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 ...
I'm not in GIS, and I'm working on a nutty redball express project that involves matching some zip+4 data to congressional districts for the upcoming 113th congress. We have found very few sources of ...
Did anyone work with SunLight foundation data to map the zipcodes with legislative district data. I have to work with Illinois zipcodes only.
I need a vendor who sells zip4 CD from Semaphore corporation. I would like to input the address data and zip and then mapped/output that correct address and Zip+4.