The code works all over and gives you about 50% off. D008400 with unlimited miles.
You have to show an amazon ID or an email from amazon's domain stating you are an employee. They just need a quick glance at your proof. If you do know how to show proof then dont use this code as they will deny you if you dont have simple proof that you can show on your phone. Amazon is the only company still using rentals heavily as their business was boombing. Most companies stopped all car rentals so their codes lost all their good usage based discounts.