How to call Guam using the international calling code +1671 and area code.
Dial your exit code
Enter the international access code for your country (e.g. 011 in the US, 00 in Europe).
Enter the country code +1671
Dial +1671 when calling from outside Guam.
Add the local phone number
Enter the local number without the leading zero.
Mobile example
+1671 XXX XXX XXX
Dial the country code, then the full mobile number.
Landline example
+1671 XX XXXX XXXX
Include the area code if applicable. Omit any leading 0.
The calling code for Guam is +1671. To call, start with your international access code, then dial +1671 followed by the local number.
In Guam, the main languages spoken are English, Chamorro, Spanish.
Guam uses the following time zone: Pacific/Guam. Make sure to check local time before placing your call.
No app download is necessary. You can call numbers in Guam directly from your browser using DialBridge. Just enter the Guam phone number (+1671) to get started.
A typical mobile number format is: +1671 123 456 789. Remember to omit any leading zero from the local number.
Best times to call are typically 9 AM – 5 PM local time in Guam. Avoid early morning (before 8 AM) or late evening (after 9 PM).