Area Code 671: Guam

Area code 671 is in Guam. Numbers that start with 671 are based in Dededo, Yigo, Tamuning.

Area code 671 covers all of Guam. The primary cities served include Dededo, Yigo, Tamuning.

Area code 671 is primarily associated with Dededo, along with Yigo, Tamuning. It serves the broader Guam area.

Area code 671 is in Guam (GU). Guam has 1 area code in total.

Area code 671 operates in the Chamorro Time Zone. Keep this in mind when scheduling calls with contacts in the Guam area.

Guam has one area code: 671. It covers the entire state, and every phone number in Guam uses it.

No, area code 671 is the primary area code for all of Guam. It is not an overlay code.

For calls from outside Guam, always dial the full 10-digit number. For local calls within Guam, requirements may vary by carrier, check with your provider.

No, area code 671 is a local geographic area code, not a toll-free number. Standard call charges apply based on your carrier plan. Toll-free area codes include 800, 833, 844, 855, 866, 877, and 888.

Businesses can get a local 671 phone number through Convirza's call tracking platform. A 671 number lets you track inbound calls from Guam, measure marketing ROI, and analyze conversation data to improve sales performance. Get started with $20 in credits, no credit card required.