How to call Guam
Country code +1
In the app
Evricall to Guam
Call any mobile or landline in Guam with the Evricall app. The app shows the price per minute before you call.
Get the appCountry code
Dial Guam
+1
Local time: UTC+10. Mobile numbers have 10 digits after the country code.
How to call Guam
Guam is part of the North American numbering plan. From the US and Canada dial 1, then the 10-digit number. From anywhere else dial your exit code, then 1 and the number.
Example mobile number: 671 300 1234. Source: libphonenumber-js 1.13.15 (Google libphonenumber metadata).
Phone numbers in Guam
- Country code: +1
- Mobile numbers: 10 digits after +1
- Calling out of Guam: dial 011 before the other country's code (for Eritrea, 011 291).
Guam country code: mobile and landline prefixes and number formats.
Time in Guam
Guam is on UTC+10. Early evening, after work and before late dinner, is usually the easiest time to reach family.
Source: countries-and-timezones 3.11.0 (IANA tz database).
Ways to call Guam today
WhatsApp, Viber, Signal and similar apps cost nothing per minute, but only when both phones have mobile data or Wi-Fi. To reach an ordinary mobile or landline in Guam you need a calling service that connects to the phone network there. Evricall does that: the call rings their normal phone.
Questions about calling Guam
What is the country code for Guam?
+1. Dial your exit code or +, then 1, then the local number.
How do I call Guam from the US or Canada?
Dial 1, then the 10-digit number, for example 1 671 300 1234. It's a North American number, so no exit code is needed.
How do I call Guam from the UK or Europe?
Dial 00 1 671 300 1234. On a mobile you can dial +1 671 300 1234 instead.
How many digits does a Guam mobile number have?
10 digits after the country code +1, for example +1 671 300 1234.
What time zone is Guam in?
UTC+10.
Can I call Guam with Evricall?
Yes. Install the Evricall app, add credit and dial any mobile or landline in Guam. The app shows the price per minute before you call.
More countries in Oceania
Call Eritrea for $0.25/min · All countries and rates · Top up in the app