Answer by
TMATM (499)
FPO means Fleet Post Office. Its a code for mail to military personnel over seas. APO is for mail sent to Army and Air Force personnel, FPO is for mail to Navy, Marine and Coast Guard personnel. The 2 letter code following the "FPO" shows what region of the world. Example: "FPO/AE" The AE means Europe, Canada, Middle East, Africa.