How to call Guam from the US and Canada

1 - 671 - local number

Using +1 xx... is another way to dial Guam phone numbers from a mobile (more on the plus sign).

..calling from another country?

Current time in Guam:

Calling Guam explained:

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

Area codes & number examples

Location Dialing format Or using +
All areas 1 671 xxx xxxx +1 671 xxx xxxx

Phone books and visitor guides:

Knowledge base

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