Millstone Township, New Jersey Area Code
Millstone Township, NJ is officially utilizing two area codes which are area codes 609 and 640.
In addition to Millstone Township, NJ area code information read more details about area code 609, area code 640 and New Jersey area codes.
Millstone Township, NJ is located in Monmouth County and observes the Eastern Time Zone. View our Times by Area Code tool.
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