Highland Lakes, New Jersey Area Code
Highland Lakes, NJ is officially utilizing an area code overlay in which area codes 862 and 973 serve the same geographic area. Ten digit dialing (area code + seven digit number) is necessary.
In addition to Highland Lakes, NJ area code information read more about area codes 862 and 973 details and New Jersey area codes.
Highland Lakes, NJ is located in Sussex County and observes the Eastern Time Zone. View our Times by Area Code tool.
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