What is the postal code format in Guam?

Guam postal codes follow the pattern AAAAA (N = digit, A = letter).

How many postal codes does Guam have?

Our dataset covers 21 postal codes across 18 cities and localities in Guam.

GU · 21 codes · 18 places

Guam Postal codes

Every postal code in Guam, format AAAAA (N = digit, A = letter). Look up a code or browse by city.

Look Up a Guam Postal code

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How postal codes work in Guam

Guam uses the format AAAAA, where N is a digit and A is a letter. Our dataset covers 21 codes across 18 cities and localities, from the GeoNames open dataset, refreshed monthly.

Sending money or checking dates too? See SWIFT codes (Guam) and bank holidays (Guam).

Guam Postal codes

Look Up a Guam Postal code

Major Cities in Guam

How postal codes work in Guam