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Irvington, NJ is currently using two area codes 862 and 973. Irvington, 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 Irvington, 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 Irvington, 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 Irvington, area codes 862 and 973 serve the larger communities of Belleville, Bloomfield, Clifton, East Orange,
Garfield, Hillside, 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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