Dialing telephone calls from Grenada to Guam
1
▶ 671
▶ XXX-XXXX
Step-by-step
1
▼ Access code for calls within the North American Numbering Plan Area (NANPA). You will be charged for an international call.
671
▼ Area code for Guam.
XXX-XXXX
All local telephone numbers in Guam are 7 digits long.
Notes
Not sure what time it is on the other end of the line? Look here for Guam time, date, and time zone information.
If you are calling from a hotel or office phone system, additional steps may be required.