With so many phone numbers nationwide... the number of combonations is endless So, if you've been searching for a certain phone number with a 530-642 area code exchange, you you now can. With the help of reverselookupphonedirectory.com, all you must do to get information on a person with a 530-642 is enter the full nine digit phone numberr into the provided search area. That is all you need to get started on your query. The days of looking for background information from different sources are gone.