Calling Code of Guam: +1671

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Photo by Luke Ma / CC BY

Country Guam
Capital city of Guam Hagåtña
Calling Code / Dialling Code of Guam +1671
International Prefix 011
Trunk Prefix of Guam 1
Toll Free Prefix while calling in Guam 1-800

Dialling procedure for making International Calls from Guam

(From your Home Country to Other Countries)

Dialling procedure for making International Calls to Guam

(From Other Countries to your home Countries)

Dialling procedure for making Toll Free Calls from Guam

Dialling procedure for making Emergency Calls from Guam

Dial from an office or institution


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