** PO box is what is called PSC box.
- All personnel on accompanied tours (regardless of their parent unit).
- All Depart of Defense (DOD) civilian employees.
- All unaccompanied personnel assigned or attached to any unit permanently stationed aboard MCAS Iwakuni.
- All personnel assigned to the Branch Health Clinic and Dental Clinics, the Naval Criminal Investigative Service Resident Agency, employees of Matthew C. Perry Schools, and members of the American Force Network (AFN).
- Have your sponsor bring a copy of your original orders (and your area clearance if you're bringing your family) down to the Main Post Office to open your PO box. Be sure all family members' full, legal names are listed on the area clearance exactly as they appear on their Military ID Card or passport to include those with different last names (if applicable).
- E-mail to M_IWKN_SMBiwakunipostal@nmci.usmc.mil a copy of your PCS Orders and Area Clearance Form.
- Wait till you arrive to the air station to establish a mailing address for you and/or your family.
These PO boxes are to be used exclusively for the receipt of personal mail for you and/or your family. Per currently existing postal regulations, they may not be used to receive mail pertaining to home businesses or similar profit-making ventures, nor can they be used by any person other than the assigned box holder and their command-sponsored family members.
Immediately upon arrival at MCAS Iwakuni, all PO Box holders will need to come to the Parcel Pickup Window at the Main Post Office to fill out some paperwork, sign for PO Box keys, and pick up any mail that may have already arrived for them.