Establish your General Delivery address.

Establishing our mailing address is part of our legal personality. 

If you give someone any address, you are giving them permission to write to you.
People can & should establish getting mail at:

your name.

general delivery.

city.   zip exempt.

state.  [ 25301].

Send yourself a letter, pick it up a few days later.    You can get General Delivery at any main post office. You don't need to set it up in advance, you just start mailing to it & getting the mail established your right to Gen. Delivery.

The USPS may want to see your gov. ID.

I don't have a gov. issued photo ID,  I never showed them one.  I've been inside using our local post office for 50+ years.  They know my name.

I don't want my receiving my mail to be connected to a Birth Certificate.