Guam area codes
One area code, 671, on Guam Time.
Calling Guam right now
Calling hours: Every day, 8 AM to 9 PM (the federal rule)
Calling a lot of them? RegieGO dials up to five lines at once. See the dialer
Guam's area code: 671
671 covers Guam. Its page has the local time now, every place it serves, and when you can call.
See 671's cities and calling hoursWhen can you call Guam numbers?
Sales calls to homes and cell phones have legal hours, set by the federal rule. Hold every number to them, since you can't tell a work line from a personal cell. Each area code's page has its local time now.
What applies in GuamEvery day, 8 AM to 9 PM
- Federal (TCPA and FTC rule)Every day, 8 AM to 9 PMCalls to residential and mobile numbers. Most calls to businesses are exempt from the FTC's rule.47 CFR 64.1200(c)(1); 16 CFR 310.4(c) (opens in a new tab)
Local time comes from the area code, not from where the person is today. Mobiles keep their number when they move. Calling hours here are a guide, not legal advice. Every state's calling hours, with sources
Guam area code FAQ
How many area codes does Guam have?
One: 671.
What time zone is the Guam area code in?
Guam Time (GMT+10, UTC+10, all year).
When can you call Guam numbers?
Every day, 8 AM to 9 PM, local time, under the federal rule.
Calling Guam numbers? Reach more of them.
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