module FFaker::PhoneNumberJA

def home_phone_prefix(disit = nil)
  case disit
  when 1 then fetch_sample(ONE_DISIT_AREA_CODES)
  when 2 then fetch_sample(TWO_DISIT_AREA_CODES)
  when 3 then fetch_sample(THREE_DISIT_AREA_CODES)
  when 4 then fetch_sample(FOUR_DISIT_AREA_CODES)
  end
end