Network & carriers
The Northern Mariana Islands' telecom market is served by IT&E and Docomo Pacific as the major carriers.
+1-670 · MP · UTC+10
Northern Mariana Islands
Country Code & Virtual Numbers
The Northern Mariana Islands share the +1 code with the US mainland, using their own dedicated 670 area code. Capital: Saipan · Business hours: 6:00 PM–2:00 AM EST.
// The Basics
What is the +1-670 country code?
Numbering format
Numbers follow the NANP 10-digit format using the dedicated 670 area code.
Calling culture
Business culture in the Northern Mariana Islands blends US and Pacific Islander traditions — a warm, relationship-oriented approach is typical.
Did you know
The Northern Mariana Islands share their +1 country code with the US mainland, but their 670 area code is exclusive to the territory.
// Quick Facts
A quick read on Northern Mariana Islands numbers.
Northern Mariana Islands numbers follow the same 10-digit NANP format as the US mainland, using the territory's dedicated 670 area code.
Best time to call Northern Mariana Islands from the US
Northern Mariana Islands is on UTC+10 · Business hours = – EST · Mon–Fri
// Why a Virtual Number
Why get a Northern Mariana Islands virtual number?
A +1-670 virtual number gives your business instant local presence in Northern Mariana Islands — without the overhead.
Local caller ID in Northern Mariana Islands
When you call from your virtual Northern Mariana Islands number, contacts see a local +1-670 number — dramatically improving answer rates.
No office needed
Establish a local presence in Northern Mariana Islands without renting space, hiring locally, or installing any hardware.
Instant credibility
A recognizable 670 area code helps build trust with local consumers, distinguishing genuine local presence from generic +1 callers.
Routes to any device
Calls to your Northern Mariana Islands number ring your team on mobile, desktop, or desk phone — wherever they work.
Frequently Asked
Northern Mariana Islands questions answered.
Answers about the Northern Mariana Islands' NANP numbering, business culture, and getting a local virtual number.
Dial 011 (the US exit code), then 1-670, then the national number, leaving out any domestic trunk prefix (such as a leading 0).
Start calling Northern Mariana Islands, not tomorrow.
Get a virtual Northern Mariana Islands number or make direct international calls to +1-670 — active in under ten minutes.