module FFaker::PhoneNumber

def area_code
  # The North American Numbering Plan (NANP) does not permit the digits 0
  # and 1 as the leading digit of an area code.
  # https://en.wikipedia.org/wiki/List_of_North_American_Numbering_Plan_area_codes
  loop do
    rand_area_code = rand(201..999)
    return rand_area_code unless rand_area_code % 100 == 11
  end
end