How to call Guam🇬🇺

To call Guam from USA, just follow:
  • First dial 011, the USA exit code.
  • Next dial 1-671, the Guam country code.
  • Then dial the 7 digits phone number.

To call Guam from USA, just follow these dialing instructions:

  • First dial 011, the USA exit code.
  • Next dial 1-671, the Guam country code.
  • Then dial the 7 digits phone number.
Dial 011 + 1-671 + phone number

About Guam

Guam flag

The international country code is 1-671. It will allow you to call Guam from another country. Guam telephone code 1-671 is dialed after the international direct dialing ( IDD).

Guam trunk prefix is 1. It will allow you to make calls inside Guam.

List view:

  • International code + 1-671.
  • Trunk prefix 1
  • International mask phone number +1(671)xxx-xxxx.
  • National mask phone number .

The Guam area code table below shows the various city codes for Guam.

How to call inside Guam

When you try to make a local call inside Guam to someone in Guam you should use the trunk prefix. Guam trunk prefix is 1. National mask phone number .

If you are using a local sim card, you only need to dial 1 - phone number.

InstructionExample
1 - 7 digits phone number 1 and 7 digits

How to call Guam from a mobile phone

Instruction for calling from USExample
011 - 1-671 - 7 digits phone number011 1-671 and 7 digits
+ 1-671 - 7 digits phone number + 1-671 and 7 digits

How to call Guam from a landline phone

Instruction for USExample for US
011 - 1-671 - 7 digits phone number011 1-671 and 7 digits

How to call Guam from office

In case you need to call from an office, you must first dial the phone code in the office to reach the local connection. After a long beep dial 1-671, wait for the beep again. Then enter the area code and phone number. In some offices, you do not need to dial a code to enter a city connection.

Instruction for calling from USExample
exit code to local line - 011 - 1-671 - 7 digits phone number9 011 1-671 and 7 digits

How to call Guam cheaper

The best way to make calls cheaper is using VoIP or apps with VoIP technology like Skype, Viber and etc. Some VoIP service allow you to skip dialing exit code before placing an international call. If this feature is turned on, just leave out the country exit code. To call Guam from the Skype app, just follow these dialing instructions:

  • First type + 1-671, the Guam country code.
  • Then dial the 7 digits phone number.

Instruction for USExample for US
+ 1-671 - 7 digits phone number+ 1-671 and 7 digits

Just for fan

me
Hey, how to call Guam?
17 minutes ago
Jane
Hey, it is easy, for instance if you call from USA to call Guam follow this:
10 minutes ago
First dial 011, the USA exit code.
10 minutes ago
Next dial 1-671, the Guam country code.
10 minutes ago
Then dial the 7 digits phone number
10 minutes ago
Jane
I hope it is helpful for you
9 minutes ago
me
Thank you, Jane
7 minutes ago