With a massive list of telephone numbers in North America... the number of groupings is endless So, if you have been searching for a specific number with a 208-583 area code exchange, you you now can. Thanks to reverselookupphonedirectory.com, all you are required to do to get information on a person with a 208-583 is enter the entire nine digit numberr into the available search area. That is all you need to start your research. The days of trying to find background information from multiple sources are gone.