How to call Guam from the USA/Canada:

dial 1 + 671 + local phone number
Not calling from the US or Canada?

MoreCalling Guam from the United States explained:

  • 1 - Country Code for Guam
  • 671 - area code within the NANP
  • local phone number - 7 digits
  • US to Guam international dialing format: 1 671 ??? ????
  • this US territory is part of the North American Numbering Plan - NANP (calling it works like a US state to state call)

Phone booksPhone books:

TimeThe time in Guam is now 12:49:49am

Calling CardsCalling Cards: