The history of orthodontics has been intimately linked with the history of dentistry for more than 2000 years. Dentistry had its origins as a part of medicine.
Addressing an envelope to a post office box address is just like addressing envelopes to any other type of address. Of course, before you can address the envelope, you need the name of the recipient, the post office box number and the city, state and ZIP code.
PO Box addresses often appear with the words CALLER, CALL BOX, GPO BOX, PO BOX S-1190, APTDO, APARTADO, BOX, BUZON. These are changed to PO BOX as output to a mailpiece. In certain areas, the station name appears in the line above the city, state, and ZIP Code.