Guam country code (+1671)
Complete country code guide for Guam: dialing format, area codes, examples, and current calling rates. Browse our full country codes list to find other destinations.
Country code
Country code
+1671
ISO code
GU
Dialing format
Landline format
+1 671 472 5678
Mobile format
+1 671 689 1234
Drop the domestic trunk prefix (often None) when calling internationally.
Full syntax: +1 671 + 7 digit local number (same format for mobile and landline)
Calling rates
Calls to Guam start from $0.08/minute with transparent, pay-as-you-go pricing. Compare with our international calling rates for other countries.
View detailed rates for GuamArea codes
- 671
Hagatna (capital)
Example: 671-472-1234
- 671
Tamuning
Example: 671-646-5678
- 671
Dededo
Example: 671-637-9012
- 671
Yigo
Example: 671-653-3456
Common mistakes
- Forgetting to dial your international exit code before +1 671.
- Adding a trunk prefix like 0, Guam numbers do not use one.
- Dialing too many digits, Guam uses only 7 local digits after 671.
- Assuming Guam is always billed as domestic US, check rates first.
Why use HelloAirDial for Guam?
- Call Guam directly from your browser, no SIM, app, or calling card needed.
- Transparent per minute pricing to Guam, shown before you dial.
- Keep a consistent caller ID so contacts in Guam recognize your number.
- Reliable routing to Guam for clearer audio and fewer dropped calls.
Call Guam now
Rates from $0.08/minute.
Try it free - get a 1 minute trial call, no credit card required
Related country codes
Looking for other destinations? Check out these country codes:
View all country codes →FAQs
Can I call Guam from abroad?
Yes. HelloAirDial connects directly from your browser. Traditional carriers can be pricey or block unknown overseas numbers; using HelloAirDial helps with caller ID, clear routing, and predictable costs.
Does Guam have area codes?
Yes. See the list above for key area codes and examples.
Do I need to use a trunk code when calling with HelloAirDial?
No. When dialing internationally, drop the domestic trunk prefix (often None) and start with the country code.
Is HelloAirDial cheaper than telecom providers?
Typically yes. You pay per minute with transparent pricing and no hidden roaming or connection fees, so you avoid the surcharges many carriers add for international calls.