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.
You can check PO Box pricing and availability online at USPS. Minimum rental period is 3 months. You can pay for up to a year. If you decide to cancel before the period rental period is up, you can get refund back for the remaining unused period in 3-month increments.For example, if you rent a PO Box for 6 months and you cancel your mailbox during month 2, you will get a refund for the last 3 months. Go to the post office where you want your postal box located. 2  Save yourself a trip and go online first to check if the size of the postal box you want is available. 3  Get a PO Box rental form (essentially a variation of Form 1583) at the counter.