page_title: Area codes 201 and 551
hierarchical_section_title: Area codes 201 and 551
caption_attribution_description: English: Map of Area code 201 (New Jersey)
context_page_description: Area codes 201 and 551 are telephone area codes in the North American Numbering Plan in the U.S. state of New Jersey. Area code 201 was the area code assigned to the entire state of New Jersey in 1947, when the North American area code system was formulated. After splits in 1958, 1991 and 1997, it covers the northeasternmost portion of the state, including most of Hudson and Bergen counties, bordering the Hudson River and New York City. Major cities in the numbering plan area include Bayonne, Jersey City, Hoboken, Hackensack, Secaucus and Englewood. Area code 551 is an overlay code to the same numbering plan area that was installed in 2001.
context_section_description: Area codes 201 and 551 are telephone area codes in the North American Numbering Plan in the U.S. state of New Jersey.  Area code 201 was the area code assigned to the entire state of New Jersey in 1947, when the North American area code system was formulated. After splits in 1958, 1991 and 1997, it covers the northeasternmost portion of the state, including most of Hudson and Bergen counties, bordering the Hudson River and New York City.  Major cities in the numbering plan area include Bayonne, Jersey City, Hoboken, Hackensack, Secaucus and Englewood. Area code 551 is an overlay code to the same numbering plan area that was installed in 2001.
caption: Map of numbering plan area 201 and 551
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