| City: | FPO, Armed Forces Pacific |
| Timezone: | --%> |
| Local Time: | 1:04:22 PM |
| Population: | No Population Data |
| Area Code: | -- |
| Classification: | Military Only |
| Quick Link: |
FPO AP 96373 provides military postal service to Camp Foster in Ginowan City, Okinawa, the administrative center for Marine operations on the island. Formerly known as Camp Zukeran, the installation was renamed after PFC William A. Foster, who received the Medal of Honor posthumously for actions on Okinawa in May 1945. Camp Foster serves as the hub for Marine community support, hosting Marine Corps Community Services (MCCS), commissary, exchange, and other quality of life facilities. Mail routes through the USPS San Francisco International Service Center with typical delivery times of 10-14 days.
Camp Foster is the largest Marine Corps installation on Okinawa, supporting over 10,000 personnel who utilize its facilities. The installation serves as the administrative center for III Marine Expeditionary Force, handling personnel, logistics, and support functions. Camp Foster is part of Marine Corps Base Camp Smedley D. Butler, which manages Marine Corps installations across Okinawa. The camp's central location in Ginowan City provides convenient access to urban amenities and shopping.
DoDEA operates Kubasaki High School and Bob Hope Primary School on Camp Foster. The Legion of Honor Complex provides sports and recreation facilities. Personnel and families have access to comprehensive community programs. Personnel sending mail should use the format: Name, Unit [Number], FPO AP 96373. The installation is located adjacent to Marine Corps Air Station Futenma.

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Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on February 1, 2026.