Yes, when verifying your address, you can hide it so that no one else can see it. All you have to do is make your business a service area business. When editing your business information, you need to check the box that says "I deliver goods and services to my customers at their locations.", and uncheck the box that says “I serve customers at my business address”. You can set those options before you verify your business even, though you should never make any changes to your profile between requesting a postcard and entering in the PIN number once it arrives. If you do it will invalidate the postcard and you'll have to request a new one.