How to call a mobile phone from Guam.

Dial the following international mobile code:

1 + 721 + The Number

* Do not dial the plus (+) symbols

How to call a Sint Maarten mobile phone:

1 - Guam exit code
721 - Sint Maarten country code
1 + 721 + Local Number - Overall dialing format

Note: Sint Maarten 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 Times:

The time in Guam is now 17:58:38 PM (05:58:38 PM)
The time in Sint Maarten is now 03:58:38 AM (03:58:38 AM)