How to call Montserrat from Guam:
1 - Guam exit code
664 - Montserrat area code
1 + 664 + Local Number - Overall dialing code 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.
The time in Guam is now 05:36:34 AM (05:36:34 AM)
The time in Montserrat is now 15:36:34 PM (03:36:34 PM)
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