🇬🇺
Guam Calling Code
Guam
+1
ISO GUGUM
Key Facts
- International Calling Code
- +1
- Country Name
- Guam
- Official Name
- Guam
- Capital City
- Hagåtña
- Region
- Oceania
- Subregion
- Micronesia
- ISO 3166-1 Alpha-2
- GU
- ISO 3166-1 Alpha-3
- GUM
Notable Area Codes
+1-671
How to Dial Guam
From the United States / Canada
Dial 011 (exit code) + +1 + local number.
From Europe (most countries)
Dial 00 (exit code) + +1 + local number.
International Format (universal)
Use +1 directly — the + sign replaces the exit code when saved in contacts or used in apps.
US territory. NANP area code 671.
Other Countries Sharing +1
United StatesCanadaBahamasBarbadosAnguillaAntigua and BarbudaBritish Virgin IslandsUnited States Virgin IslandsCayman IslandsBermudaGrenadaTurks and Caicos IslandsMontserratNorthern Mariana IslandsAmerican SamoaSint MaartenSaint LuciaDominicaSaint Vincent and the GrenadinesPuerto RicoDominican RepublicTrinidad and TobagoSaint Kitts and NevisJamaica
Calling Code
+1
CountryGuam
ISOGU / GUM
RegionOceania