Hillsborough, New Jersey Area Code
Hillsborough, NJ Area Codes are
Hillsborough, NJ is officially utilizing one area code which is area code 908.
In addition to Hillsborough, NJ area code information read more about area code 908 details and New Jersey area codes.
Hillsborough, NJ is located in Somerset County and observes the Eastern Time Zone. View our Times by Area Code tool.
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