Guam country code +1 671
The country code for Guam is +1 671. To call from abroad, dial your exit code (011 from the US, 00 from the UK), then 1 then the number.
Updated
At a glance
- Country code
- +1
- Area codes
- 671Dialled after +1, like a US or Canadian area code.
- ISO country code
- GU
- Exit code (calling out)
- 011
- Trunk prefix
- 1Dialled before long-distance numbers at home.
- Digits after the code
- 10For mobile and landline numbers.
- Example mobile
- +1 671 300 1234Written (671) 300-1234 at home
- Time zone
- UTC+10
How to call Guam from abroad
Exit code, then 1, then the number. What that looks like from where you are:
| Calling from | Dial |
|---|---|
| The US or Canada | 1 + 6713001234 |
| The UK and most of Europe | 00 1 6713001234 |
| A mobile, anywhere | +1 6713001234 |
How to call abroad from Guam
Going the other way, start with Guam's exit code instead of +.
| To call | Dial |
|---|---|
| The US, Canada or another +1 country | 1 + area code + number |
| The UK | 011 44 + number without its 0 |
| India | 011 91 + number without its 0 |
| Pakistan | 011 92 + number without its 0 |
Other places that use +1
- American Samoa684
- Anguilla264
- Antigua and Barbuda268
- Bahamas242
- Barbados246
- Bermuda441
- British Virgin Islands284
- Canada
- Cayman Islands345
- Dominica767
- Dominican Republic
- Grenada473
- Jamaica658, 876
- Montserrat664
- Northern Mariana Islands670
- Puerto Rico787, 939
- Saint Kitts and Nevis869
- Saint Lucia758
- Saint Vincent and the Grenadines784
- Sint Maarten721
- Trinidad and Tobago868
- Turks and Caicos Islands649
- United States
- US Virgin Islands340
Calling Guam costs less than you think
callmins calls landlines in Guam for $0.045 a minute and mobiles for $0.045, from a browser with no app or SIM. See rates and call costs for Guam.
Questions people ask
Which country has the code +1 671?
+1 followed by 671 is the dialling code for Guam. The same code is also used by American Samoa, Anguilla, Antigua and Barbuda, the Bahamas, Barbados, Bermuda and others; Guam is identified by its area code 671.
Is +1 the same as 001?
Yes. The plus sign stands for whatever exit code your phone network uses: 00 in the UK and most of the world, 011 in the US and Canada. A mobile phone converts + automatically, so saving numbers as +1 makes them work from any country.
How do I write a phone number from Guam in international format?
Start with +1, then the number. For example (671) 300-1234 becomes +1 671 300 1234, or +16713001234 with no spaces (E.164 format, the form apps and forms usually want).
What is the exit code in Guam?
From the US, Canada and other +1 countries, the international exit code is 011. Calls between +1 countries need only 1 and the 10-digit number.
I got a missed call from +1. Should I call back?
Only if you know someone there. Unexpected one-ring calls from abroad are a known scam ("wangiri"): calling back can connect you to a premium-rate line. Search the number first, or paste it into the callmins country-code lookup to see where it's from and whether it's a mobile or landline.
Other country codes
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