Guam Address Format
Guam uses the US domestic address format: recipient, street, then village + GU + ZIP code on one line. On international mail the last line is GUAM (USPS treats GU as a state equivalent). Many residents use PO Boxes because street delivery is limited in some villages.
Standard format
ZIP code rules
| Field name | ZIP code |
|---|---|
| Format | NNNNN or NNNNN-NNNN (always 969xx) (N = digit, A = letter) |
| Example | 96910 |
| Pattern | ^969\d{2}(-\d{4})?$ |
| Rule | Guam is served by the US Postal Service; all ZIP codes start with 969 (range 96910-96932), with optional ZIP+4. |
Fields used in Guam
| State / region | Yes — "State (GU)" locally |
|---|---|
| Street address | Yes |
| P.O. Box | Yes — "PO Box" locally |
FAQ
What is the ZIP code format in Guam?
The format is NNNNN or NNNNN-NNNN (always 969xx) (N = digit, A = letter), for example 96910. Guam is served by the US Postal Service; all ZIP codes start with 969 (range 96910-96932), with optional ZIP+4.
How do you write an address in Guam?
Guam addresses are written from the smallest unit to the largest. Guam uses the US domestic address format: recipient, street, then village + GU + ZIP code on one line. On international mail the last line is GUAM (USPS treats GU as a state equivalent). Many residents use PO Boxes because street delivery is limited in some villages.
Does Guam use postal codes?
Yes. Guam uses the ZIP code in the format NNNNN or NNNNN-NNNN (always 969xx) (example: 96910). Guam is served by the US Postal Service; all ZIP codes start with 969 (range 96910-96932), with optional ZIP+4.
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Sources
- https://pe.usps.com/text/pub28/welcome.htm
- https://www.upu.int/UPU/media/upu/documents/PostCode/ManualAddressing.pdf