With so many phone numbers in North America... the possible number of groupings is endless So, if you've been trying to find a certain number that starts with a 217-665 area code exchange, you can. With the help of reverselookupphonedirectory.com, all you must do to find information on someone with a 217-665 is type in the complete nine digit numberr into the given search field. that's all you need to begin your search. The days of looking for background information from different sources are gone.