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Area Code 631

Area code 631 is found in New York. The code split from 516 in 1999 and now covers part of Long Island. Major cities include:

  • Lindenhurst, NY
  • Babylon, NY
  • Patchogue, NY
  • Lake Grove, NY
  • Amityville, NY
  • Port Jefferson, NY
  • Northport, NY

 

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