How to call a Guamanian mobile phone from Guam.
Dial the following international mobile code:
* Do not dial the plus (+) symbols
1 + 671 + The Number
How to call a Guam mobile phone:
1 - Trunk code to dial first when calling within Guam
1 + 671 + Local Number - Overall dialing format
The time in Guam is now 16:11:59 PM (04:11:59 PM)
We hope that the Country Calling Codes mobile country codes guide has helped you call a cell phone in Guam. Why not share our Guam 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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