Area Code 201 History:
Area code 201 was put into service 01/01/1947. 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.
Counties in New Jersey within area code 201 include:
Bergen and Hudson.
Major cities or places in New Jersey within area code 201 include:
Area code 201 serves northeastern New Jersey including the larger communities of Bayonne, Bergenfield, Cliffside Park, Englewood, Fair Lawn, Fort Lee, Hackensack, Hoboken, Jersey City, Kearny, North Bergen, Paramus, Ridgewood, Teaneck, Union City and West New York, NJ in addition to many smaller communities.