Everyone has two addresses. An installation address and a billing address. For many people they are the same, but for some they are different. Your payments should be set up as auto-pay and are independent of your billing address somewhat, anyway.
Charmel, JEP's correct. You can see what billing and service addresses we have for you at My.Exede.net. You can also make changes to the billing address. Some people have PO boxes that serves as their billing address, for example. Either way, you'll only be billed for your one service address.