To get a virtual office address and a virtual office mailing address.
Step 1: Find a virtual office solution.
Step 2: Choose a physical location for your mailing address.
Step 3: Pick & customize the services you need.
Step 4: Purchase the service.
Step 5: Complete your US Postal Form 1583.
There are several companies out there that can offer you a virtual office address for a small fee.
Some of those companies out there that offer virtual office addresses are.
https://ipostal1.com/virtual-business-address.php
https://www.usglobalmail.com/virtual-business-address/
https://www.postscanmail.com/services/virtual-business-address.html
https://www.victoryworkspace.com/how-do-i-get-a-virtual-business-address/