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Fast Facts

Location:  Iwakuni is located on the main Japanese island of Honshu, 300 miles West of Osaka and 30 miles Southwest of Hiroshima. Tokyo is 600 miles East of Iwakuni. Iwakuni lies at the eastern end of Yamaguchi Prefecture. Its southeastern part faces the inland Seto Sea and its northern part adjoins Otake City in Hiroshima Prefecture. The city is backed by mountains and its front borders the Seto Inland Sea for a distance of some 1.3 kilometers. For more information visit the installation's website.

BRAC Status: No programmed changes.

Cost of Living:  Off-base costs in Japan tend to be high compared to stateside prices. Military members stationed in Japan receive a cost of living allowance (COLA) that helps make up for the falling dollar.

Base Operator: 011-81-827-21-4171 or 011-81-827-79-1110.


  • 287 Active Duty Officers
  • 2,372 Active Duty Enlisted
  • 2,272 Family Members
  • 622 Civilian Employees
  • 1,276 Japanese Employees

Area Population: The city of Iwakuni has a population of 143,857.

Child Care: The Child Development Center (CDC), (DSN) 315-253-5584 programs offered include; Full Day, Part Day, Enrichment for Preschool, and Hourly Care. The School Age Center, (DSN) 315-253-4769, offers full day care when school in not in session, before and after school care, and hourly care.

Schools: Two DoDDS schools are located at MCAS Iwakuni: Matthew C. Perry Elementary School (K-6) and Matthew C. Perry High School (7-12). 

Youth Services: The MCAS Iwakuni Youth and Teen Center programs are affiliates of the Boy's and Girl's Club of America and offers BGCA related activities.

Marine and Family Programs:  Marine and Family Services, 011-81-827--79-3070 /(DSN) 315-253-3070.  

Housing: The Iwakuni Family Housing website contains important information concerning family and bachelor housing. For more information, and for availability, contact the Family Housing Office, 011-81-827-79-5541/5542 / (DSN) 315-253-5541/5542.

Employment: Off-base overseas employment opportunities can be limited due to Status of Forces Agreement restrictions and a lack of local job opportunities in the private civilian sector. Contact the Career Resource Management Center. Contact NAF HRO at 315-253-3030.

Base Services:

Medical Services: The Branch Medical Clinic Iwakuni is a tenant activity of the Marine Corps Air Station. It is organized as a remote organizational element of U.S. Naval Hospital, Yokosuka . The clinic is easy to access from all areas of the Marine Corps Air Station. It is very important to ensure that your family members enroll in TRICARE Pacific upon arrival. If your family members do not transfer their enrollment, they will revert to TRICARE Standard for their health care coverage 60 days after the report no later than date. To enroll, stop by the TRICARE Service Center in the Branch Medical Clinic 011-81-827-79-3126 / (DSN) 315-253-3126 and you will be provided information about the TRICARE Pacific program.

Special Installation Messages:

Defense Service Network (DSN) Dialing Instructions

The DSN is the provider of long-distance communications service for the Department of Defense (DoD). Every installation has a special DSN number and the numbers vary by world-wide location. In order to place a call using DSN, the caller must be using a military phone on an installation. Cell phones cannot dial DSN numbers. When dialing a DSN number from a United States installation to another United States installation, it is unnecessary to dial the DSN 315 area code. When dialing a DSN number to/from overseas locations, the DSN area code must be included. The operator can be reached at commercial (719) 567-1110. Please note that long distance charges may be incurred.

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