Dial Guam directly through your phone carrier using country code 1-671 — convenient, but international rates can add up fast.
Prepaid calling cards let you reach Guam at lower rates, though you'll juggle access numbers and PINs each time.
MeraTalk connects you to Guam over the internet with HD-clear audio, low rates, and no hardware to set up.
No. 671 is the area code for Guam, part of the North American Numbering Plan — the same system the US and Canada use. Guam has no country calling code of its own.
From the US or Canada, dial 1 671 followed by the seven-digit number. There is no 011 and no separate country code. On a mobile, +1 671 works from anywhere.
It is still an international call. Despite the domestic-looking format, most US carriers bill calls to Guam at international rates — worth checking your plan before calling back.
The North American Numbering Plan covers Guam, so there is no international prefix and no country code to dial. From the US or Canada, dial 1, then 671, then the seven-digit local number — exactly as you would call another US state.
It is still an international call. Despite the domestic-looking format, most US carriers bill calls to Guam at international rates — worth checking your plan before you call back.
On a mobile you can replace the exit code with a + sign and dial +1 671 directly, which works from any country without knowing the local exit code.
Full dialing sequence
From the US or Canada you don't need one: Guam is part of the North American Numbering Plan, so you dial it like a domestic long-distance call starting with 1. From most other countries, dial 00 first.
Immediately follow with Guam's country code — no spaces or dashes. This routes your call to Guam's telephone network. On smartphones, replace the exit code with a + sign.
Add the city or regional code for your destination in Guam. If the local number starts with a 0 (trunk prefix), drop it — the country code replaces it when dialing internationally.
Enter all remaining digits of the local number exactly as written. For mobile numbers, include every digit — no abbreviations. Press call and your carrier does the rest.
A strong, stable internet connection is the foundation of every clear call — use Wi-Fi or solid data whenever you can.
A quality headset sharpens both ends of the conversation, making your calls to Guam clearer and more comfortable.
Keep the time difference in mind — UTC+10 — so you reach people at a reasonable hour and not in the middle of the night.
The price of calling Guam swings widely depending on whether you use a carrier, a calling card, or VoIP — and VoIP usually wins.
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