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The Country Codes

How Do I Call Guam from the USA?

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Dialing Instructions: Calling from the USA to Guam

Thank you for using TheCountryCodes.com to learn how to call Guam from the USA. The chart below includes all known city codes for Guam.

How to call from USA to Guam

dial: 1 + 671 + Local Number

Call Guam with Vox Call
to lower your calling costs.

  Guam City Codes:
City Codes not required.

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