ZIP 96401 at a glance

USPS status
ActiveOn USPS’s APO/FPO/DPO table as of October 1, 2026.
Post office
APOArmy Post Office, used by Army and Air Force units. Several older public ZIP sources agree it is APO, but no USPS bulletin since 2022 mentions it. Confirm with the recipient.
Region
AP, Armed Forces PacificCovers the Pacific, including Japan and Korea.
Delivery group
Japan, Korea, Pacific islands and the Far EastUSPS groups ZIP prefixes 962–966 together for delivery-time estimates.
Exact location
Not publishedUSPS and the Department of Defense don’t disclose which base, ship or embassy a ZIP serves. That protects the people there. If you need to know, ask the recipient.

How to write an address for 96401

Use the recipient’s own unit and box. The last line is the only part this ZIP decides.

Don’t add a base, city or country. If a form asks for a country, choose United States.

What ZIP 96401 restricts

USPS lists 9 mailing restrictions for this ZIP, 5 of them bans on specific items. Restrictions are set per ZIP, so another ZIP in the same region can differ.

Can’t be sent

  • Cigarettes and all other tobacco products(C)
  • Firearms, except to or from official U.S. agencies(F)
  • Replica weapons, inert explosives and weapon parts(F3)
  • Alcoholic beverages(R)
  • Synthetic cannabinoids (K2, Spice)(S)

Paperwork and approvals

  • Customs form PS 2976 or 2976-A for anything 16 oz or heavier, and for any merchandise at any weight. Priority Mail Express Military Service needs PS 2976-B.(B)

Size, weight and service

  • No Registered Mail(N)
  • No Priority Mail Express Military Service(V)
  • USPS.com won’t show delivery status for extra services; a manual delivery record may be available on request(V1)

USPS codes for 96401: B-C-F-F3-N-R-S-V-V1-Z1. What each code means.