With a massive list of numbers around the country... the possible number of groupings is limitless So, if you've been trying to find a specific phone number with a 217-678 area code exchange, you can. With the help of reverselookupphonedirectory.com, all you are required to do to get information on anyone with a 217-678 is type in the complete nine digit phone numberr into the provided search field. That is all you need to get started on your research. The days of scouring for background information from multiple sources are done.