How to send a letter to Guam

How to address and send post to another country — the address layout, postage, delivery times and what you can and can’t send.

Guam

Sending post to Guam
Full name on envelopeRequired
Delivery timeTypically 7-21 business days.
PostageFirst-Class International, Priority Mail, Registered (USPS).
PostcodeUS ZIP format; ZIP+4 optional; state code GU.

✉️ Addressing the envelope

Address layout
Full Name
Street Number + Street Name
CITY GU NNNNN-NNNN
GUAM
Example
Tammy Cruz
123 Marine Corps Dr
HAGATNA GU 96910-1200
GUAM
More examples
PO Box:
Jose Santos
PO Box 12345
DEDEDO GU 96929
GUAM
Full name
Required
Full name required by USPS.
Postcode
US ZIP format; ZIP+4 optional; state code GU.
Language
English; uppercase city and GU.

📮 Sending

Postage methods
First-Class International, Priority Mail, Registered (USPS).
Delivery times
Typically 7-21 business days.

🛃 Customs and restrictions

Customs
CN22/CN23 for goods; declare value.
Restrictions
USPS dangerous goods restrictions.

💡 Tips

Use correct 969xx ZIP and GU code; include GUAM on last line.
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