ZIP 34084 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. The evidence is weak: one source, or a split between sources. Confirm with the recipient.
Region
AA, Armed Forces AmericasCovers Central America, South America and the Caribbean (not Canada).
Delivery group
Central America, South America and the CaribbeanUSPS groups ZIP prefix 340 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 34084

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 34084 restricts

USPS lists 6 mailing restrictions for this ZIP, 4 of them bans on specific items. Restrictions are set per ZIP, so another ZIP in the same region can differ.

Can’t be sent

  • Firearms, except to or from official U.S. agencies(F)
  • Weapons of any kind(F1)
  • Alcoholic beverages(R)
  • Brewing and distilling supplies (hops, malt, yeast)(R1)

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 Priority Mail Express Military Service(V)

USPS codes for 34084: B-F-F1-R-R1-V. What each code means.