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Randolph, NJ is currently assigned two area codes 862 and 973. Randolph, New Jersey utilizes an area code
overlay in which area codes 862 and 973 serve the same geographic area. Area code 973 was put into service in June 1, 1997. The area code overlay which serves Randolph, NJ was put into service on December
29, 2001 when area code 862 was created as an overlay of area code 973. Ten digit dialing (area code + seven digit number) is necessary in Randolph, NJ because two different homes in the same geographic area
can have the same seven digit phone number but each would have a different area code.
In addition to Randolph, area codes 862 and 973 serve the larger communities of Belleville, Bloomfield, Clifton,
East Orange, Franklin, Garfield, Hillside, Irvington, Kearny, Livingston, Lodi, Maplewood, Montclair, Morristown, Newark, Nutley, Orange, Parsippany, Passaic, Paterson, Wayne, West Milford and West Orange,
in addition to many smaller communities in northern New Jersey. |
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