How to call Guam from the USA or from Canada:

dial 1 - 671 - local phone number

Calling from another country?

The time in Guam is now 10:23:17am

Calling Guam from the United States explained:

1 - North American long distance prefix
671 - area code assigned to Guam
local phone number - 7 digits
US to Guam international dialing format: 1 671 ??? ????
this US territory is in the North American Numbering Plan (calling it works like a US long distance call)...however, international or sometimes unexpected charges may apply when calling numbers in area code 671!

Phone books:

The Guam Phone Book

Share us