You need to see how the Florida Zone is made and make your own Shipping Zone ...
There are several examples in the FAQs and threads on creating zones that should help out if you get lost ...
Go to the Localization/Taxes ...
Click on Zone Definitions ...
And create your new Shipping Zone, example: US Only
Then add the details ...
Might peek here for some details:
http://www.zen-cart.com/forum/showth...shipping+zones
http://www.zen-cart.com/forum/showth...shipping+zones



