How to Call Mariana Islands From Dominican Republic
Dial the following international dialing codes:

1 + 670 + Local Number

* Do not dial the plus (+) symbols

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How to call Mariana Islands from Dominican Republic: 1 - Dominican Republic exit code 670 - Mariana Islands area code 1 + 670 + Local Number - Overall dialing code format Note: Mariana Islands and Dominican Republic are both members of NANP (North American Numbering Plan) so when calling between these countries, 1 is used in place of the country exit code.  World Times: The time in Dominican Republic is now 15:04:13 PM (03:04:13 PM) The time in Mariana Islands is now 05:04:13 AM (05:04:13 AM)  Mobile Codes: Get the mobile country codes for calling Mariana Islands from Dominican Republic.  Save on your call to : SpeedyPin Calling Cards - From 0.4¢ per Minute SpeedyPin Calling Cards - From 0.4¢ per Minute