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In 1947, the American Telephone and Telegraph Company (AT&T) devised the first nationwide telephone numbering plan and assigned the original North American area codes. The state of California was divided into three numbering plan areas (NPAs) with distinct area codes: 213, 415, and 916, for the southern, central, and northern parts of the state ...
The three area codes form an overlay numbering plan, and are also overlaid by area code 917 of a numbering plan area that comprises the entirety of New York City. Area code 212 is the original code assigned for all of the city in 1947. After a restriction of 212 to just Manhattan in 1985, area code 646 was assigned to Manhattan in 1999.
Quick Take: List of Scam Area Codes. More than 300 area codes exist in the United States alone which is a target-rich environment for phone scammers.
California's 40th area code; 838: New York (Albany, Schenectady, Plattsburgh, Saranac Lake, Lake George, Westport, and most of northeastern New York) September 19, 2017: overlaid on 518; 839: South Carolina (Columbia, Rock Hill, Sumter, Aiken, and most of central South Carolina) May 26, 2020: overlaid on 803 [19] 840
New York City: Manhattan only; overlays with 212, 646, and 917 347: 1999: New York City: all except Manhattan; overlays with 718, 917, and 929 363: 2023 Nassau County; overlay of 516 516: 1951 Nassau County; overlaid with 363 as of January 2023 518: 1947 Albany, Glens Falls, Plattsburgh, Saratoga Springs and northeastern New York; overlaid by ...
The original area code for all of New York City's boroughs was 212, established with the North American Numbering Plan in 1947.In 1984, the numbering plan area (NPA) was divided by splitting Brooklyn, Queens, and Staten Island into a separate numbering plan area with area code 718, reducing 212 to only Manhattan and the Bronx.
The numbering plan area comprises northern Orange County, a portion of Los Angeles County, and the Sleepy Hollow and Carbon Canyon areas of Chino Hills in San Bernardino County. Area code 714 was assigned to a part of numbering plan area 213 in 1951, and 657 was added in 2008 to form an overlay complex .
Marble Hill, a neighborhood of the borough of Manhattan, is physically located on the U.S. mainland, adjacent to the Bronx. Despite being legally a part of the borough of Manhattan, [9] per the Greater New York Charter of 1897, the neighborhood of Marble Hill is excluded from the Manhattan numbering plan areas 212, 646, and 332, instead using the 718, 347, and 929 area codes. [9]