Guam
How to call Guam
Replace "local number" with the actual phone number, dropping any leading zero.
Other countries sharing the code +1671
Other countries in Oceania
FAQ — Guam
What is the country code for Guam?
The international dialing code for Guam is +1671. The ISO-3166 alpha-2 code is GU.
How do I call Guam from the US or Canada?
Dial 011 1671 followed by the local number in Guam, dropping any leading zero. From a mobile, "+1671…" also works.
How do I call Guam from Europe?
Dial 00 1671 followed by the local number in Guam, dropping any leading zero. From a mobile, "+1671…" also works.
Why does Guam share the code +1671 with other countries?
The +1671 code is shared by: Guam, Anguilla, Antigua and Barbuda, Bahamas, Barbados, Bermuda, British Virgin Islands, Canada, Cayman Islands, Dominica, Dominican Republic, Grenada, Jamaica, Montserrat, Puerto Rico, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the Grenadines, Sint Maarten, Trinidad and Tobago, Turks and Caicos Islands, United States, U.S. Virgin Islands, American Samoa, Northern Mariana Islands. They differ by the area code that follows.
What does the "+" mean before the code?
"+" is a universal placeholder for the international direct dialing (IDD) prefix on mobile phones. "+1671…" works from any country because the phone replaces "+" with the local IDD prefix automatically (00 in Europe, 011 in the US).