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Area Code 670
Area Code 670 is designated as Northern Marianas (former country code for this territory of the United States)

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Other exchanges in this area code......
670-898   670-888   670-878   670-868   670-788   670-682   670-664   670-588   670-555   670-532   670-488   670-484   670-483   670-433   670-328   670-323   670-322   670-321   670-288   670-287   670-286   670-285   670-256   670-237   670-236   670-235   670-234   670-233