Reverse telephone directories can help you find a person’s name and address based on his phone number, potentially identifying strange numbers on your phone bill or Caller ID. Some reverse phone directories charge for information, but there are several free online options, including Yahoo People Search, AnyWho and WhitePages. You can only look up a person’s name and address using a land line number, not a cellphone number, unless you use a paid reverse directory service. Tips Writer Bio
