EXIT CODE
This is the code you need to dial OUT from a country. It is also referred to as the IDD code (International Direct Dialing) or ISD code (International Subscriber Dialing)
COUNTRY CODE
This is the code you need to dial IN to a country. Each country is assigned a unique country code.
AREA CODE
This is the code for a part of the country. It is usually a general area or a city. Some countries are not large enough to warrant their own code, so will have the country code 1 and use the area code to define the country.
LOCAL NUMBER
This is the local number you would like to call.
Dialing Code for Guam is 1 (671) | |
| Here is some useful travel information about Guam. | |
| Flag |  |
| Region | Australasia |
| ISO 2 digit Code | GU |
| ISO 3 digit Code | GUM |
| Capital City | Hagatna |
| Currency | Dollar |
| Population | 168,564 |
| Area (SQ KM) | 549 |
IDD / Exit code for Oman is 00 | |
| Here is some useful travel information about Oman. | |
| Flag |  |
| Region | Asia |
| ISO 2 digit Code | OM |
| ISO 3 digit Code | OMN |
| Capital City | Muscat |
| Currency | Rial OMR |
| Population | 2,967,717 |
| Area (SQ KM) | 212,460 |
This page helps you call from Oman to Guam using international country codes.
Area Codes for Guam are also supplied. Country Code 1 is for Guam. The dialing code is also described as phone code 1 or dialing code 1 and is sometimes described as a calling code or international dialing code.
The dialing code for Guam is 1.
Exit codes and dialing codes are required to call from Oman to Guam.
To call internationally from Oman uses IDD code 00 . IDD codes are known as exit codes and exit code 00 is Oman.
The exit code for Oman is 00 .
The area code for All is 671.