How to call a Guamanian mobile phone from Montserrat.

Dial the following international mobile code:

1 + 671 + The Number

* Do not dial the plus (+) symbols

How to call a Guam mobile phone:

1 - Montserrat exit code
671 - Guam country code
1 + 671 + Local Number - Overall dialing format

Note: Guam and Montserrat 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 Montserrat is now 23:23:36 PM (11:23:36 PM)
The time in Guam is now 13:23:36 PM (01:23:36 PM)