Guam country code (prefix) or dialing code with an interactive map and travel information to explore Guam.
The + initiates an international call, followed by the country code (here 1671 for Guam). Alternatively, in most countries (with some exceptions, for example, USA, Canada, Australia, and Russia) 00 can also be used to initiate a foreign call.
| +1671 ... ....... | International format (recommended, always possible) | |
| 00 1671 ... ....... | From most European countries | |
| 011 1671 ... ....... | From the USA | |
| 011 1671 ... ....... | From Canada | |
| 0011 1671 ... ....... | From Australia | |
| 810 1671 ... ....... | From Russia, Belarus, Georgia, Kazakhstan, Moldova, Tajikistan, Uzbekistan | |
| 119 1671 ... ....... | From Cuba |
Countries close to Guam are Northern Mariana Islands, Micronesia, Palau, Philippines, Papua New Guinea, Taiwan, Marshall Islands, Nauru and Japan.