Area Code

• North American Numbering Plan Administration
  
  This website provides information about the North American Numbering Plan (NANP) and its administration. The NANP is the numbering plan for the Public Switched Telephone Network for Canada, the USA and its territories, and some Caribbean countries. The area served by the NANP is divided into smaller Numbering Plan Areas (NPAs), each identified by a three-digit NPA code, commonly called an area code.
  

  https://www.nationalnanpa.com/
• Area Codes, by Area Code
  
  This table lists North American area codes, sorted by area code. Visitors can find the locations and usages assigned to the area codes which are available in the North American Public Telephone Network.
  

  https://www.area-codes.org/areacode.htm
• Area Codes, by Country
  
  Telephone area codes are used to help route phone calls to the correct location. Find North American area codes and their corresponding locations with this handy area code chart.
  

  https://www.area-codes.org/country.htm
• WhitePages
  
  Established in 1997, WhitePages is a people search authority, with comprehensive contact information and background check data about hundreds of million people from all 50 USA states. Users can search for businesses, people, maps and directions, by phone number, zip code or area code. There are other more advanced search strategies on the website as well.
  

  https://www.whitepages.com/

212 Area Code for New York City

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