International dialing guide
Guam country code (+1-671)
The international country code for Guam is +1-671. Use this prefix after your exit code when calling Guam from another country, or dial the full E.164 number (+1671…) with Ringvoo from your browser.
What is the Guam country code?
Country code +1-671 identifies phone numbers registered in Guam. When you call from abroad, you dial your international access code (00 in most countries, 011 from the US/Canada), then 1671, then the local number. With Ringvoo, paste the full number including +1671 and we handle the routing.
How to dial Guam from abroad
- Dial your international exit code (00 in most countries, 011 from the US/Canada).
- Enter Guam's country code 1671.
- Add the local phone number, dropping any leading trunk zero if your carrier requires it.
- Or open Ringvoo, paste the full E.164 number (+1671…), and call from your browser.
Example numbers for Guam
Frequently asked questions
What is the country code for Guam?
The international dialing code for Guam is +1-671. Include it after your exit code when calling from abroad.
How do I call Guam from the United States?
Dial 011 (US exit code), then 1671, then the local number. Or use Ringvoo and enter the full +1671 number in your browser.
Can I call Guam without downloading an app?
Yes. Ringvoo runs in Chrome, Safari, or Edge and connects to real phone numbers in Guam — no app install required.
Do I need to drop the leading zero when dialing Guam?
When using the international format (+1671), omit any leading 0 from the local number. Ringvoo accepts E.164 numbers directly.