Zip Code Boundaries - Fill by group based on join.
Given: Zip Code file containing Zip_Code, and an assigned Value Representing a Servicing Facility.
I simply want to join this file to the zip layer, then fill the boundaries with color based upon the assigned value, which would produce a visibly grouping by servicing facility.
This seems like a very basic exercise, yet I cannot find any information about this, or maybe i'm using the wrong verbiage.
Any direction and help is appreciated.