How to call a Montserratian mobile phone from Guam.

Dial the following international mobile code:

1 + 664 + The Number

* Do not dial the plus (+) symbols

How to call a Montserrat mobile phone:

1 - Guam exit code
664 - Montserrat country code
1 + 664 + Local Number - Overall dialing format

Note: Montserrat 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 18:51:42 PM (06:51:42 PM)
The time in Montserrat is now 04:51:42 AM (04:51:42 AM)