Shipping via Military Mail (APO, FPO, DPO) – Support
May 13, 2020·For Navy or Coast Guard vessels, the ship’s name and hull number. 3. The number of that address. For example: PSC 1234; Unit 7400; USS Nimitz (CVN 68) 4. The recipient's Military PO box number (if they have one). 5. The post office type (APO, FPO or DPO) 6. The "state" designator (either AA, AP or AE).