I think there is a mystery behind these post office boxes.
Nothing never really changes about them. I grew up to meet them same till date.
This has made me lose that connection to either posting something which makes me see the box number as just a number
Maybe there is something we are yet to discover 😊
These PO boxes are good for a reason and many are renting them still. When you don't want your address to be known, you rent a box and solve the problem. Go to the post office, open it with the key they give you and take what is yours.