Sandboxx. Sandboxx is a mobile and web app that provides a quick and convenient way to send letters to military installations around the world. The app was developed by veterans to help families and friends stay connected with their service members during basic training and deployments.
Addressing Military & Diplomatic Mail Army/Air Post Office (APO) PFC JOHN DOE. PSC 3 BOX 4120. APO AE 09021. Fleet Post Office (FPO) SEAMAN JOSEPH SMITH. UNIT 100100 BOX 4120. FPO AP 96691. Diplomatic Post Office (DPO) JOHN ADAMS. UNIT 8400 BOX 0000. DPO AE 09498-0048.
Write letters, draw pictures, make cards and send your gratitude and support to our Military, Veteran & First Responder heroes. Donation Form: Complete the online donation form here. This form lets us know when you are ready send us your letters. It also provides you with detailed instructions and labels for shipping.
This special address must include: The full name of the addressee. Mail sent without a full name will not be delivered. The unit or Post Office box number. A three letter code associated with the type of location. APO is used for Army and Air Force installations. The “state” of the addressee.