How To Phone The Northern Mariana Islands
Dialling instructions for calling to and from anywhere in the Northern Mariana Islands.
Country code: +1
How to call the Northern Mariana Islands from the UK
To phone the Northern Mariana Islands dial 001 670
then the seven-digit local phone number
If a number is displayed already including the area code and +1 country code, just replace the '+' with the UK international access code of 00.
Examples:
| Northern Mariana Islands phone number | Dialled from UK as |
|---|---|
| 555 0012 | 00 1 670 555 0012 |
| (670) 555 0012 | 00 1 670 555 0012 |
| 670-555-0012 | 00 1 670 555 0012 |
| +1 670 555 0012 | 00 1 670 555 0012 |
How to call the UK from Northern Mariana Islands
To call a United Kingdom landline or mobile phone from Northern Mariana Islands, dial 011 44, then the UK number without its leading zero.
For example, the UK number
These codes and instructions apply when dialling any part of the UK including England, Scotland, Wales and Northern Ireland, as well as Guernsey, Jersey and the Isle of Man.