Springfield, NJ 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 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 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 Springfield, NJ area codes 862 and 973 serve northwestern portions of New Jersey including the larger cities and communities of Belleville, Bloomfield, Clifton, East Orange, 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.
Springfield, NJ is located in Union County and observes the Eastern Time Zone. View our Times by Area Code tool.