Country Calling Code for Guam: +1
The country calling code for Guam is +1. Dial it after your international exit code when calling Guam from abroad.
Quick facts: Guam
| Country calling code | +1 |
|---|---|
| ISO code (alpha-2) | GU |
| ISO code (alpha-3) | GUM |
| ISO numeric code | 316 |
| Capital | Hagåtña |
| Region | Oceania — Micronesia |
| Currency | United States dollar (USD) |
| Languages | Chamorro, English, Spanish |
| Internet domain | .gu |
| Area | 549 km² |
| Coordinates | 13.46666666, 144.78333333 |
How to call Guam from abroad
Dial your country's international exit code (for example 011 from the USA and Canada, or 00 from most of Europe), then the country calling code +1, then the local number. In most countries, drop the leading trunk 0 from the local number when dialling internationally.
Frequently asked questions
What is the country calling code for Guam?
The country calling code for Guam is +1.
How do I call Guam from another country?
Dial your international exit code, then +1, then the local number (dropping any leading trunk 0 in most countries).
What is the capital of Guam?
The capital of Guam is Hagåtña.
What is the ISO country code for Guam?
Guam is GU (alpha-2) / GUM (alpha-3).