Country flag of Chad Republic Country flag of Guam

How to call a Guamanian mobile phone from Chad Republic.

Dial the following international mobile code:

15 + 1 + 671 + The Number

* Do not dial the plus (+) symbols


How to make your international call How to call a Guam mobile phone:

15 - Chad Republic exit code to dial first when calling international
1 - Guam country code must be dialed next
671 - Guam mobile code must be dialed next
15 + 1 + 671 + Local Number - Overall dialing format

World Time Zones World Times:

The time in Chad Republic is now 11:18:54 AM (11:18:54 AM)
The time in Guam is now 20:18:54 PM (08:18:54 PM)

Call a Guam cell phone. 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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