Guam (+1-671) calling code demystified.
Guam's military, tourism and logistics sectors need reliable voice. Ringflow gives you a local +1-671 DID — active on day one, routing to Hagåtña on NANP.
Everything about calling Guam.
Guam shares the North American Numbering Plan — dial +1-671 then seven digits. US military presence, tourism from Japan and South Korea, and Pacific logistics drive international call demand.
Guam country information
Three ways to call Guam right now.
NANP dialing: +1-671 plus seven digits. Ringflow routes via Pacific DID infrastructure for consistent quality to Hagåtña and Tamuning.
Direct calls using landlines & mobile phones
Dial Guam directly from any landline or mobile by entering your international exit code, then the country code +1-671, and finally the local number.
International calling cards for Guam
Pre-paid international calling cards remain a convenient, low-cost way to reach Guam. Each card gives you a PIN and an access number to place global calls.
VoIP services for contacting Guam
VoIP apps like Skype, WhatsApp and Viber — and business VoIP from Ringflow — route calls to Guam over the internet, usually at far lower rates than traditional carriers.
Guam at a glance.
A US territory in the Western Pacific with around 170,000 people. Hagåtña is the capital. Guam hosts major US military bases (Andersen AFB, Naval Base Guam) and is a key Pacific tourism gateway.
How to call Guam.
Dial +1, then 671, then the seven-digit local number. No separate exit code needed from most VoIP platforms.
Number anatomy
Start with the exit prefix
Press + on a mobile (hold the 0 key), or dial 00 from most countries / 011 from North America.
Add the Guam code
Dial +1-671. This identifies Guam on the global telephone network.
Enter the area or mobile prefix
Type the first part of the local number. Drop the leading 0 if there is one.
Finish with the subscriber number
The remaining digits route the call to the specific line in Hagåtña or elsewhere.
Browse the full country code index.
Search by country name, ISO code or dial prefix. Click any country for its dialing rules and Ringflow's local number availability.
FAQ
Calling Guam, answered.
What defense contractors and tourism operators ask before dialling Guam on +1-671.
Connect to Guam on carrier-grade Pacific routes.
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