ZIP 96578 at a glance

USPS status
ActiveOn USPS’s APO/FPO/DPO table as of October 1, 2026.
Post office
FPOFleet Post Office, used by Navy and Marine Corps units and ships. USPS lists it as FPO AP 96578 in Postal Bulletin 22671 (Mar 2025).
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 96578

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 96578 restricts

USPS lists 10 mailing restrictions for this ZIP, 7 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)
  • E-cigarettes, vapes, e-liquids and their parts(C2)
  • Weapons of any kind(F1)
  • Replica weapons, inert explosives and weapon parts(F3)
  • Meat and animal by-products (bones, hides, feathers, wool samples)(H)
  • 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

  • Parcel Select parcels: 108 inches max, length plus girth(J)
  • No Registered Mail(N)

USPS codes for 96578: B-C-C2-F1-F3-H-J-N-R-S-Z1. What each code means.