How do you call Northern Ireland from the US?

To call Northern Ireland from the United States, you will need to dial the following:

1. Exit code: The exit code for the United States is 011.

2. Country code: The country code for Northern Ireland is 44.

3. Area code: The area code for Northern Ireland is 28.

4. Local number: The local number for the person or business you are calling in Northern Ireland.

For example, if you wanted to call someone in Belfast, Northern Ireland, with a local number of 123456, you would dial:

```

011 44 28 123456

```