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New Jersey is currently using nine area codes. Jersey utilizes three area code overlay plans, often called overlay complexes.
Area code 201 originally covered all of New Jersey when it was established in 1947. It was not until 1957 that New Jersey experienced sufficient growth in population and telephone use to need an
additional area code. In 1957 area code 201 was split to form area code 609. The two area codes of 201 and 609 were sufficient to meet the numbering needs in New Jersey for more than thirty-three years until
1990 when area code 908 was put into service.
Changes and History of New Jersey Area Codes:
01/01/1947
Area code 201 was put into service. Area code 201 has been split 3 times. In
1957 area code 201 was split to form area code 609. In 1990 area code 201 was split to form area code 908. In 1997 area code 201 was split to form area code 973. In 2001 area code 201 was overlaid with area
code 551.
01/01/1957
Area code 609 was put into service. Area code 609 was created from a split of area code 201. In 1999 area code 609 was split to form area code 856.
11/01/1990
Area
code 908 was put into service. Area code 908 was created from a split of area code 201. In 1997 area code 908 was split to form area code 732.
06/01/1997
Area code 732 was put into service. Area
code 732 was created from a split of area code 908. In 2001 area code 732 was overlaid with area code 848.
06/01/1997
Area code 973 was put into service. Area code 973 was created from a split of
area code 201. In 2001 area code 973 was overlaid with area code 862.
06/12/1999
Area code 856 was put into service. Area code 856 was created from a split of area code 609.
12/29/2001
Area code 551 was put into service. Area code 551 is an overlay of area code 201.
12/29/2001
Area code 848 was put into service. Area code 848 is an overlay of area code 732.
12/29/2001
Area code 862 was put into service. Area code 862 is an overlay of area code 973. |
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