Country Calling Codes HomeInternational calling from Guam to Mariana Islands made easy Perform a New Calling Codes Search Need help with Guam or Mariana Islands calling codes? Click here.
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Country flag of Guam Country flag of Mariana Islands

How to call a Mariana Islander mobile phone from Guam.

Dial the following international mobile code:

1 + 670 + The Number

* Do not dial the plus (+) symbols

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How to make your international call How to call a Mariana Islands mobile phone:

1 - Guam exit code
670 - Mariana Islands country code
1 + 670 + Local Number - Overall dialing format

Note: Mariana Islands and Guam are both members of NANP (North American Numbering Plan) so when calling between these countries, 1 is used in place of the country exit code.

World Time Zones World Times:

The time in Guam is now 15:21:27 PM (03:21:27 PM)
The time in Mariana Islands is now 15:21:27 PM (03:21:27 PM)


We hope that the Country Calling Codes mobile country codes guide has helped you call a cell phone in Mariana Islands. Why not share our Mariana Islands phone book with your friends and bookmark this page and tell a friend about this site for the next time they need to search for mobile area codes or call a cellular phone in another country.

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