To add an area in the portal you can follow the steps in the following article. 

1. The first step is to click on the "System Management" tab on the menu located on the left hand side. Then click on the "Area" button from the drop down menu. 

2. Once you're in the "Area" screen, type in the area name. This can be a zip code, county, city, region, etc. Be sure to click "save" when finished. 

3. If you ever need to edit an area name simply click on the "edit" option. If you would like to delete an area that you've entered,  you can do so by clicking "remove". 

4. Repeat the steps listed above in order to add as many areas as you need.