Call Guam
Call from anywhere in the world. No app needed.
Mobile
$0.07
per minute
Landline
$0.07
per minute
Rates last updated March 2026
How to call Guam
Call with Callana
Enter the number with the country code. No exit codes or international prefixes needed.
From a regular phone
Dial your country's exit code, then the country code +1-671, then the local number.
About Guam
Capital
Hagatna
Timezone
Chamorro Time
UTC +10:00
Currency
US Dollar
USD
Population
170K
Languages
English, Chamorro
Country code
+1-671
Connection quality
Good
Mobile prevalence
High
Best time to call
9 AM – 9 PM local time
Chamorro Time (UTC +10:00)
Calling tips
Guam uses country code +1 with area code 671.
Frequently asked questions
How much does it cost to call Guam?
With Callana, calls to Guam cost $0.07/min to mobile phones and $0.07/min to landlines. No subscription or app download required.
How do I call Guam?
The easiest way is to use Callana in your browser — select Guam from the dropdown menu, enter the local number, and we connect you instantly. No exit codes or international prefixes needed, and you can call from any country.
Do I need an app to call Guam?
No. Callana works directly in your browser — no app download needed. Just open web.callana.app, add credit, and start calling Guam immediately.
What is the country code for Guam?
The international dialing code for Guam is +1-671.
What is the best time to call Guam?
Guam is in the Pacific/Guam timezone (UTC +10:00). Business hours are typically 9 AM to 6 PM local time. Callana is available 24/7 so you can call anytime.
Is the call quality good to Guam?
Call quality to Guam is rated as good. Callana uses premium voice routes to ensure clear, reliable connections.