671 Area Code
Guam, USA
Local time now · Chamorro Time
5:43 PM
Area code 671 is in Guam, USA. It uses Chamorro Time — the time there now is 5:43 PM. In service since 1997.
| Area code | 671 |
|---|---|
| Location | Guam, USA |
| Time zone | Chamorro Time |
| In service since | 1997 |
| Dialing | 1+10 digit permissible at service provider discretion. |
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Frequently asked questions
Where is area code 671?
Guam, USA.
What time zone is area code 671?
Chamorro Time.
How do I call a 671 number from abroad?
Dial your international access code, then 1 (the country code), then 671 and the 7-digit number — for example +1 671 555 0100. From the UK or India dial 00 1 671 …; from Bangladesh 00 1 671 … .
Is a call from 671 a scam?
Not by itself — 671 is an ordinary geographic area code in Guam. Numbers can be spoofed, so be careful with unexpected calls asking for money or personal details.
Sources: North American Numbering Plan Administrator (NANPA) NPA database (10/25/2026); major cities from Wikidata (CC0). An area code shows where a number was first assigned — with number portability and mobile phones, the caller may be anywhere.