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Guam

Guam area codes

Guam has one area code in our list: 671.

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671 Guam

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How many area codes does Guam have?

Our list has 1 area code for Guam: 671.

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Postal code data: GeoNames (CC BY). Nutrition data: USDA FoodData Central. Area code data: North American Numbering Plan Administrator. Bank data: FDIC BankFind Suite. QuickRefDesk is an independent site and is not affiliated with USPS, Canada Post, NANPA, the USDA, the FDIC or any bank. Information is provided as is; see our disclaimer. © 2026 Shihan Thissera.