By default, your Ship To Address is the same as your Bill to Address.
Note: Changing your Ship To Address may effect your total due today, as sales tax is based
on the shipping address provided. Also, by choosing an alternate address, your shipment
maybe delayed due to an additional review needed to validate it.
Zip Code is used to check availibility product on your location. so you will not see the products that not in your area or it is out of stock in your area.