 Tips for calling a cell phone in Guam:
- To call a Guamanian cell phone from a land line, simply follow the mobile country code dialing instructions above to place your call.
- To call a Guamanian cell phone from your cell phone, you may need to first use the + (plus) sign prior to entering the Guam mobile code and telephone number.
- If you are calling Guam from your cell phone, you may incur additional charges or fees from your mobile carrier. We recommend trying out a service, such as
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How to call a Guam mobile phone:
World Times:
