If the Region / Zone or Radius is not displaying on the customer detail page.

1. Check
   1. if a Country is select for the customer.  If not select the country.
   2. if a State is selected for the customer.  If not select the state.
   3. if a suburb / town / city is selected for the customer.  If not select the suburb / town / city.
   4. if a street name is added.  If you have one, enter it, if you do not know the street address enter TBA
      
      
2. Click on the button Labelled "Get Region / Zone"