Area codes 212, 646, and 332 are area codes in the North American Numbering Plan (NANP) for most of the borough of Manhattan in New York City. By area, it is one of the smallest numbering plan areas (NPAs). 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 in 1999. In 2015, area code 332 was added to the Manhattan overlay. History Area code 212 is one of the original 86 area codes assigned by AT&T in 1947, originally serving all five boroughs of New York City. For the next 37 years, New York City was one of the largest toll-free calling zones in North America. On February 1, 1984, in response to a request from New York Telephone, the New York Public Service Commission voted to create a second area code for New York City. The split was implemented in a way that divided the city's three million telephone numbers roughly in half. Brooklyn, Queens and Staten Island received the new area code 718, while Manhattan and the Bronx kept 212. Amid protests from local officials and state lawmakers, the commission was persuaded by New York Telephone's reasoning that a new area code was needed to "prevent an impending exhaustion of telephone numbers." New York Telephone made some 718 telephone numbers operational several days in advance. Despite state lawmakers for the outer boroughs threatening legislation to stop the division, 718 began its split as scheduled on September 1, 1984. Permissive dialing of 212 continued across New York City, during which either 212 or 718 could be used, until January 1, 1985, when the use of 718 became mandatory for the boroughs affected. On July 1, 1992, the 718 territory was expanded to include the Bronx and the Marble Hill neighborhood of Manhattan (see below), while the rest of Manhattan remained in 212. Permissive dialing of 212 continued across the Bronx until May 16, 1993, during which either 212 or 718 could be used; after that date, 718 had to be used for telephone calls to the Bronx from everywhere outside the borough except the three boroughs that originally