Guam Country Code: +1 671
+1 is the country code of Guam, shared by the countries of the North American Numbering Plan: the United States, Canada and most of the Caribbean. From one of them, dial 1 and the 10-digit number. From anywhere else, dial your exit code (00 from most countries, or + on a mobile), then 1, then the number. After +1 comes the area code: 671.
Example: (671) 300-1234 is +1 671 300 1234 from abroad.
Guam
ISO country codes
GU
GUM
Local time in Hagåtña
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UTC+10Emergency numbers
911
How to Call Guam
Dial the exit code of the country you are calling from, then 1, then the number.
1. Dial your exit code
011 from the US and Canada, 00 from the UK, Europe and most other countries, 0011 from Australia. On a mobile you can type + instead: press and hold 0.
2. Dial 1, the country code
+1 is the code for every phone number in Guam, mobile or landline.
3. Dial the local number
Dial the number as it is written inside Guam: (671) 300-1234 becomes +1 671 300 1234.
What to dial to call Guam
United States
Landline or mobile
1 (671) 300-1234
United Kingdom
Landline or mobile
00 1 671 300 1234
India
Landline or mobile
00 1 671 300 1234
Australia
Landline or mobile
0011 1 671 300 1234
Nigeria
Landline or mobile
009 1 671 300 1234Any mobile phone
Landline or mobile
+1 671 300 1234WhatsApp: save numbers from Guam with + and the country code, for example +1 671 300 1234.
Phone Numbers in Guam: Format and Examples
How numbers in Guam are written, with an example of each type.
Key facts
- Country code (dialing code)
+1, or 001 from most countries
- Exit code (to call abroad from Guam)
011
- Mobile numbers
10 digits after +1
- Emergency numbers
911
- Time zone
UTC+10
Number types with examples
Landline or mobile
(671) 300-1234+1 671 300 1234Toll Free
(800) 212-3456+1 800 212 3456Premium Rate
(900) 212-3456+1 900 212 3456Personal Number
(500) 234-5678+1 500 234 5678
Missed Call from +1?
The digits after +1 tell you what kind of number called.
- +1 671: a number in Guam, landline or mobile.
- +1 900: a premium-rate number. Calling back can cost far more than a normal call.
- +1 800: a toll-free number, free to call from inside Guam.
Don't call back numbers you don't know
One-ring scams ring once so that you call back a line that charges by the minute. If the call matters, the caller will try again or leave a message.
Our free phone number checker shows whether a number is valid, if it is mobile or landline, and the network it was issued to. It runs in your browser.
Check the number for freeAbout Guam
The facts that help when you call Guam: capital, time, currency and languages.
Guam
Time zone
UTC+10
Local time in HagåtñaCurrency
US Dollar (USD)
Official currency and symbolLanguages
Chamorro, English, Spanish
Official languages spokenPopulation
153,836
ResidentsArea
549 km²
Total land areaGuam eSIM data plans
There are 12 Guam eSIM plans. The Guam eSIM uses the GTA and IT&E networks.
7 GB Data Plans
Valid for 30 days
12 GB Data Plans
Valid for 30 days
4 GB Data Plans
Valid for 30 days
Unlimited Data Plans
Valid for 3 days
Unlimited Data Plans
Valid for 7 days
Unlimited Data Plans
Valid for 4 days
Unlimited Data Plans
Valid for 10 days
Unlimited Data Plans
Valid for 15 days
Guam Country Code: Frequently Asked Questions
Dialling Guam, number formats and calls.
+1 is the country code of the United States, Canada and most of the Caribbean (the North American Numbering Plan), including Guam. Every number there has 10 digits after +1, for example +1 671 300 1234. After +1 comes the area code: 671.
Dial it like a call inside the country: (671) 300-1234 becomes 1 (671) 300-1234. The two countries share the code +1.
10 digits after +1, for example +1 671 300 1234. Inside Guam the same number is written (671) 300-1234.
Save it in your contacts with + and the country code: +1 671 300 1234. WhatsApp needs the full international format.
Not necessarily: +1 numbers belong to people and companies in Guam. If you don't know the caller, don't call back: one-ring scams make you call a line that charges by the minute. Check the number first with our free phone number checker.
Dial 911 for emergencies in Guam.
Call Guam with Bitcall
Create a free account, top up your balance, and call mobile and landline numbers in Guam from your browser. No app needed.
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