| Country: | Northern Mariana Islands |
| Calling Code: | +1 670 |
| = the calling code for Northern Mariana Islands is +1 670. | |
| International Call Prefix: (dial out code) | *011 |
| National Trunk Prefix: | *1 |
| Telephone Digits: | 7 digits |
| How to call or text Northern Mariana Islands from abroad or internationally? | To call or text Northern Mariana Islands's telephone number from abroad you must use the plus sign (+) or exit code of the country you are dialing from. Eg: To call Northern Mariana Islands from the U.S., just dial: Using plus sign:(+) (International Code) (Phone Number) + 1 670 xxxxxxx Using Exit Code: (Exit Code Prefix) (International Code) (Phone Number) (011)1 670- xxxxxxx |
| Timezone: | UTC+10:00 (ChST) |