APO, AE

ZIP code 09858 is located in the Marshall Islands, specifically on the small island of Kwajalein Atoll. This remote area is primarily known for its military base, the Ronald Reagan Ballistic Missile Defense Test Site, which covers a large portion of the island. Other significant landmarks include the Kwajalein Island High School and the Kwajalein Hospital, serving the local community and the military personnel stationed in the area.