Most APO/FPO addresses are foreign and are the jurisdiction of the Division of International
Operations (DIO) (PSC 8).
Some APO/FPO addresses are under domestic PSC and servicing FO jurisdiction. These
addresses are in the Caribbean (Puerto Rico and the Virgin Islands), the Pacific (Hawaii,
Guam and American Samoa) and Alaska.
A list of APO/FPO zip codes and corresponding locations can be found on the Division
of International Operations Home Page via the DIO REFERENCE LIBRARY -- APO and FPO
CODES and LOCATIONS. http://ocoweb.ba.ssa.gov/oio/OIOResources/APO-FPO-Zip.asp