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Guam postal codes

Updated 2026-11-09

21 codes1 regions18 places

Regions

Format

Format

—

Example

—

Codes

21

Places

18

Ad slot · 300×250

Popular places

18

Barrigada 2 Hagatna 2 Tamuning 2 Agana Heights 1 Agat 1 Asan 1 Dededo 1 Inarajan 1 Mangilao 1 Merizo 1 Mongmong 1 Piti 1 Santa Rita 1 Sinajana 1 Talofofo 1 Umatac 1 Yigo 1 Yona 1

FAQ

How many digits are Guam postcodes?

—, e.g. —.

How many codes does Guam have?

21 unique codes.

Updated 2026-11-09. Attribution in Data & license.