Guam Country Code: +1-671
The country code for Guam is +1-671
Country code +1-671 is for Guam
Quick Reference
Number Formats
+1-671 XXX-XXXXStarts with N/A
+1-671 XXX-XXXXStarts with N/A
Major Cities & Area Codes
671Capital city
Dial: +1-671 671 XXX XXXX
671Largest village by population
Dial: +1-671 671 XXX XXXX
671Tourist and business district
Dial: +1-671 671 XXX XXXX
671University of Guam location
Dial: +1-671 671 XXX XXXX
671Northern village
Dial: +1-671 671 XXX XXXX
671Central location
Dial: +1-671 671 XXX XXXX
671Eastern village
Dial: +1-671 671 XXX XXXX
Quick Tips
- Guam uses the same dialing format as the US mainland.
- All Guam numbers use 671 after the +1 country code.
- No distinction between mobile and landline number formats.
- Dial 1-671 from US mainland; dial 011-1-671 from most other countries.
Important Note
Guam has no separate area codes within the territory. All phone numbers use 671 and follow standard 7-digit local numbering.
Complete Dialing Guide
Learn the full step-by-step process for calling Guam, including common mistakes, cultural etiquette, and emergency numbers.
Read the guideCalling Rates & Costs
See current rates and save on calls to Guam. Get started with your first call FREE when you sign up.
View ratesNeed to Call Guam?
Get started with ZippCall for cheap international calls to Guam. No contracts, just simple pay-as-you-go rates.
Join 7,774 users making affordable international calls with ZippCall
First call FREE for new users