Northern Mariana Islands country code (+1) โ€” formats & examples

Use +1 to call Northern Mariana Islands. See number formats, common mistakes, and plan the best time to call.

Dialing information

  • Country code+1
  • Time zonesPacific/Guam
  • Phonecall rate$0.21/min

Landline $0.21/minMobile $0.21/min

Call Northern Mariana Islands from your browser at low rates. No app or SIM required.

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Calling format

  • Country code+1
  • Mobile format pattern+1 XXX XXX XXXX
  • Landline format pattern+1 XX XXXX XXXX
  • NotesOmit leading 0 when using country code; include area code where applicable.

Valid number patterns

Valid mobile number pattern

+1 XXX XXX XXXX

e.g. +1 670 234 5678

Valid landline number pattern

+1 XX XXXX XXXX

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Common dialing mistakes for Northern Mariana Islands

  • Forgetting to dial +1 before the local number - international calls to Northern Mariana Islands require the country code.
  • Keeping the leading zero when dialing from abroad - drop the leading 0 after the country code +1.
  • Mixing up mobile and landline formats - Northern Mariana Islands numbers differ in length and structure; check the pattern before dialing.
  • Calling outside local business hours - check Northern Mariana Islands's time zone to avoid very early or late calls.
  • Omitting the country code when calling from another country - always use +1 for Northern Mariana Islands.

Frequently asked questions

Common questions about calling Northern Mariana Islands with the +1 country code.

Which time zones does Northern Mariana Islands use?
Northern Mariana Islands has the following time zones: Pacific/Guam. Make sure to check local time before placing your call.
Do I need to install an app to call Northern Mariana Islands?
No app download is necessary. You can call numbers in Northern Mariana Islands directly from your browser using Phonecall. Just enter the Northern Mariana Islands phone number (+1) to get started.
What is an example of a mobile or landline number in Northern Mariana Islands?
A typical mobile number format is: +1 123456789. A landline number might look like: +1 12345678. Omit any leading 0.
How much does it cost to call Northern Mariana Islands?
Calling Northern Mariana Islands with Phonecall starts from $0.21/min for landlines and $0.21/min for mobile numbers. We show the rate before you dial.
What is the calling code for Northern Mariana Islands?
The calling code for Northern Mariana Islands is +1. To call, start with the international access code, then dial +1 followed by the local number.
What languages are spoken in Northern Mariana Islands?
Check the local language before calling.

Call planning

Check local time in Northern Mariana Islands and your location so you call at a good time.

Time zones in Northern Mariana Islands

Pacific/Guam

Best times to call are typically 9 AM โ€“ 5 PM local time in Northern Mariana Islands. Avoid calling during early morning (before 8 AM) or late evening (after 9 PM) local time.