96310 - FPO AP - Marine Corps Air Station Iwakuni, Japan
FPO AP - Marine Corps Air Station I
Key Facts
- Only forward-deployed F-35B squadrons
- Shared with Japanese Maritime Self Defense Force
- New offshore runway opened 2010
- Supports 10,000 personnel
About ZIP Code 96310
FPO AP 96310 provides military postal service to Marine Corps Air Station Iwakuni on Japan's southwestern coast in Yamaguchi Prefecture. MCAS Iwakuni is unique as the only overseas installation operating forward-deployed F-35B Lightning II aircraft. The base is shared with the Japanese Maritime Self-Defense Force under Status of Forces Agreement. A new offshore runway opened in 2010, improving operations while reducing noise impact on the local community. Mail routes through the USPS San Francisco International Service Center with typical delivery times of 10-14 days.
Marine Aircraft Group 12 operates from Iwakuni with F-35B Lightning II and F/A-18 Hornet strike fighters, plus support aircraft. Carrier Air Wing 5 squadrons from USS Ronald Reagan also operate from the installation when the carrier is in port. The base serves approximately 10,000 U.S. military personnel, civilians, and family members, making it one of the largest Marine Corps air stations outside the United States. MCAS Iwakuni provides power projection capabilities across the Western Pacific.
The installation offers comprehensive community support including DoDEA schools, commissary, exchange, and MWR facilities. Iwakuni's location provides convenient access to Hiroshima and other destinations in western Japan. Personnel sending mail should use the format: Name, PSC 561 Box [Number], FPO AP 96310. The base continues to receive modernization investments as part of U.S. force realignment in Japan.
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Helpful Veteran and First Responder Resources
Gary Sinese Foundation
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