How to Call Guam From Antigua and Barbuda
Dial the following international dialing codes:

1 + 671 + Local Number

* Do not dial the plus (+) symbols

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How to call Guam from Antigua and Barbuda: 1 - Antigua and Barbuda exit code 671 - Guam area code 1 + 671 + Local Number - Overall dialing code format Note: Guam and Antigua and Barbuda 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 Antigua and Barbuda is now 16:47:15 PM (04:47:15 PM) The time in Guam is now 06:47:15 AM (06:47:15 AM)  Mobile Codes: Get the mobile country codes for calling Guam from Antigua and Barbuda.  Save on your call to : Call Guam with Rebtel - Save 50% now! SpeedyPin Calling Cards - From 0.4¢ per Minute