A local number. A little more freedom.
Get a 671
phone number.
A local number for Hagatna, GU. Call and text over WiFi or mobile data, on the phone you already have.
- Calls and texts
- No extra SIM
- Location
- Hagatna, Guam
- Time zone
- Chamorro (GMT +10)
Where is area code 671 located?
Area code 671 is a Guam area code, serving Hagatna, GU and nearby cities including Dededo, Tamuning, Mangilao. It is in the Chamorro (GMT +10) time zone.
Who is calling from area code 671?
A 671 call comes from a number assigned to the Hagatna, GU area, which can be a mobile, a landline or an app-based number like AvoCall's. Caller ID can be faked from any area code, so if you don't know the number, let it go to voicemail and never share a code you didn't ask for.
How do I get a 671 phone number?
Check nearby area codes or search again at checkout. AvoCall provides a new number for calls and texts over WiFi or mobile data, with no second SIM. There are no 671 numbers in stock right now (checked October 11, 2026 at 8:43 AM UTC); stock is re-checked every hour and nearby area codes often have numbers.
No 671 numbers in stock right now
Checked October 11, 2026 at 8:43 AM UTC. We re-check every area code hourly, and new numbers appear as they become available.
Every number requires an AvoCall plan. Current web pricing is verified at checkout, and number availability changes often.
About the 671 area code
Guam, a US territory in the Chamorro time zone, ten hours ahead of GMT, uses area code 671. The code is assigned to Hagatna together with Dededo, Tamuning, Mangilao, and Yigo.
Service under 671 began in 1997. The code has no overlay partner and has never been divided, and Guam continues to rely on this one code for all of its telephone numbering.
Dialing note: 671 has been in service since 1997.
Numbering details on this page (service dates and overlay status) are checked against the NANPA numbering registry. Registry data as of 10/08/2026.
671 phone number FAQ
- Can I receive verification codes on a 671 number?
- AvoCall 671 numbers support calling and messaging. Verification-text compatibility varies by sender; short-code and 2FA delivery is not guaranteed.