| City: | FPO, Armed Forces Pacific |
| Timezone: | --%> |
| Local Time: | 1:04:48 PM |
| Population: | No Population Data |
| Area Code: | -- |
| Classification: | Military Only |
| Quick Link: |
FPO AP 96595 serves Naval Support Facility Diego Garcia, a strategic joint US-UK military installation located on the remote Diego Garcia atoll in the British Indian Ocean Territory. The facility is positioned near the geographic center of the Indian Ocean, providing critical support for operations across the Middle East, South Asia, and East Africa. Known as the 'Footprint of Freedom' due to the atoll's distinctive footprint shape, Diego Garcia hosts both Navy and Air Force operations.
NSF Diego Garcia supports a wide range of military missions including naval logistics, air operations, and maritime prepositioning. The island features a 12,000-foot runway capable of supporting B-52 and B-2 bombers, as well as deep-water anchorage for naval vessels. Approximately 3,000-5,000 military personnel, contractors, and support staff are stationed on the island at any given time. Due to its remote location, the facility is self-contained with housing, dining, recreation, and medical facilities.
Mail for personnel at Diego Garcia routes through the San Francisco International Service Center with extended delivery times of 3-4 weeks due to the remote location. The standard address format uses PSC 466 Box numbers with FPO AP 96595. Personnel should note that there is no commercial cell phone service on the island, and internet access is limited. The tropical climate features warm temperatures year-round with a monsoon season from October through December.

At the Gary Sinise Foundation, our mission is to serve our nation by honoring our defenders, veterans, first responders, their families, and those in need. Among its programs is the construction of specially adapted smart homes for severely wounded veterans that are provided mortgage-free.
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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.